On 9 May 1421, lightning struck the Yongle Emperor's palace in Beijing, causing the Fengtian, Huagai, and Jinshen Halls to be destroyed in a fire (Ray 1987b, 161–162). For his decision to discontinue the Indian Ocean expeditions, the emperor was influenced by views that this disaster was a bad omen and a sign against the voyages (Sen 2016, 612). Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
For instance, in 1436, civil officials requested that Wang Jinghong convey three million catties of pepper and sappanwood to Beijing and hand it over to the government. They drew up instructions in the name of the Zhengtong Emperor, who was nine years old. Officials could only legally access the inventories of overseas products, which were under the strict control of the eunuchs, with the emperor's permission. This was because, constitutionally, the emperor had absolute power in diplomatic affairs, which included goods imported by diplomatic missions. (Siu 2023, 5) Siu, Yiu (2023). "The Cessation of Zheng He's Voyages and the Beginning of Private Sailings: Fiscal Competition Between Emperors and Bureaucrats". Journal of Chinese History. 8: 95–114. doi:10.1017/jch.2022.45. S2CID258586977.
Major ports in their respective regions included Palembang on the Malaccan Strait, Calicut on the Malabar coast, and Mombasa on the Swahili Coast (See Sen 2016). Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
The date of 15 February 1409 possibly refers to when the trilingual inscription was erected in Galle, indicating that it was put up during the homeward journey of the second voyage (Dreyer 2007, 66). If not, the inscription could have been prepared in China and erected between 1410 when the fleet arrived at Galle to 1411 during the third voyage (Dreyer 2007, 72). Duyvendak (1939, 369) states that the inscription must have been prepared in China on 15 February 1409 and erected during the third expedition (1409–1411), because he thinks that the 15 February 1409 date is connected to the dates for the conference of honors to two deities, Tianfei (天妃) on 21 January 1409 and Nanhaishen (南海神) on 15 February 1409. Dreyer, Edward L. (2007). Zheng He: China and the Oceans in the Early Ming Dynasty, 1405–1433. New York: Pearson Longman. ISBN978-0-321-08443-9. Dreyer, Edward L. (2007). Zheng He: China and the Oceans in the Early Ming Dynasty, 1405–1433. New York: Pearson Longman. ISBN978-0-321-08443-9. Duyvendak, J. J. L. (1939). "The True Dates of the Chinese Maritime Expeditions in the Early Fifteenth Century". T'oung Pao. 34 (5): 341–413. doi:10.1163/156853238X00171. JSTOR4527170.
Duyvendak (1939, 387) and Mills (1970, 8–9) made the conclusion that the recorded Palembang journey never happened. However, Dreyer (2007, 96) states that it cannot be proven whether it did or did not happen. Duyvendak, J. J. L. (1939). "The True Dates of the Chinese Maritime Expeditions in the Early Fifteenth Century". T'oung Pao. 34 (5): 341–413. doi:10.1163/156853238X00171. JSTOR4527170. Mills, J. V. G. (1970). Ying-yai Sheng-lan: 'The Overall Survey of the Ocean's Shores' [1433]. Cambridge: Cambridge University Press. ISBN978-0-521-01032-0. Dreyer, Edward L. (2007). Zheng He: China and the Oceans in the Early Ming Dynasty, 1405–1433. New York: Pearson Longman. ISBN978-0-321-08443-9.
Finlay (2008), 330. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Ray (1987a), 65–66. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Ray (1987a), 69 & 74–75. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Sen (2016), 613. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Sen (2016), 613–614. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Ray (1987a), 74–75. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Ming (2005), 41. Ming, Wan (2005). "Zheng He's Voyages to the Western Oceans: 3 Books, 1 Map, 1 Novel, 1 Play, and 7 Steles". Ming Studies (51–52): 31–42. doi:10.1179/014703705788762672.
Sen (2016), 614–615. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Ray (1987b), 162. Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177.
Finlay (2008), 336. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Finlay (2008), 338. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Finlay (1992), 230. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Ray (1987b), 165–167. Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177.
Finlay (1992), 229. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Siu (2023), 7. Siu, Yiu (2023). "The Cessation of Zheng He's Voyages and the Beginning of Private Sailings: Fiscal Competition Between Emperors and Bureaucrats". Journal of Chinese History. 8: 95–114. doi:10.1017/jch.2022.45. S2CID258586977.
Ray (1987b), 165. Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177.
Finlay (2008), 338. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Ray (1987b), 176–178. Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177.
Siu (2023), 3–6 & 19–20. Siu, Yiu (2023). "The Cessation of Zheng He's Voyages and the Beginning of Private Sailings: Fiscal Competition Between Emperors and Bureaucrats". Journal of Chinese History. 8: 95–114. doi:10.1017/jch.2022.45. S2CID258586977.
Siu (2023), 7–12. Siu, Yiu (2023). "The Cessation of Zheng He's Voyages and the Beginning of Private Sailings: Fiscal Competition Between Emperors and Bureaucrats". Journal of Chinese History. 8: 95–114. doi:10.1017/jch.2022.45. S2CID258586977.
Siu (2023), 6–7. Siu, Yiu (2023). "The Cessation of Zheng He's Voyages and the Beginning of Private Sailings: Fiscal Competition Between Emperors and Bureaucrats". Journal of Chinese History. 8: 95–114. doi:10.1017/jch.2022.45. S2CID258586977.
Finlay (2008), 330–331. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Sen (2016), 612. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Sen (2016), 631–633. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Schottenhammer (2021), 135–138. Schottenhammer, Angela (2021). "Consolidating Southeast Asia and the Meaning of Force in History: Pax Ming and the Case of Chen Zuyi 陳祖義". China and Asia. 3 (1): 130–168. doi:10.1163/2589465X-030105.
Sen (2016), 609–611 & 631–633. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Sen (2016), 609. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Chen (2019), 14–15. Chen, Zhongping (2019). "Toward a Global Network Revolution: Zheng He's Maritime Voyages and Tribute-Trade Relations Between China and the Indian Ocean World". China and Asia. 1 (1): 3–49. doi:10.1163/2589465X-00101002.
Chen (2019), 29–32. Chen, Zhongping (2019). "Toward a Global Network Revolution: Zheng He's Maritime Voyages and Tribute-Trade Relations Between China and the Indian Ocean World". China and Asia. 1 (1): 3–49. doi:10.1163/2589465X-00101002.
Chen (2019), 37. Chen, Zhongping (2019). "Toward a Global Network Revolution: Zheng He's Maritime Voyages and Tribute-Trade Relations Between China and the Indian Ocean World". China and Asia. 1 (1): 3–49. doi:10.1163/2589465X-00101002.
Sen (2016), 615. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Sen (2016), 620–621. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Chen (2019), 36–42. Chen, Zhongping (2019). "Toward a Global Network Revolution: Zheng He's Maritime Voyages and Tribute-Trade Relations Between China and the Indian Ocean World". China and Asia. 1 (1): 3–49. doi:10.1163/2589465X-00101002.
Sen (2016), 612–615. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Chen (2019), 41–42. Chen, Zhongping (2019). "Toward a Global Network Revolution: Zheng He's Maritime Voyages and Tribute-Trade Relations Between China and the Indian Ocean World". China and Asia. 1 (1): 3–49. doi:10.1163/2589465X-00101002.
Sen (2016), 611. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Finlay (1992), 235–236. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Ray (1987a), 70. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Chen (2019), 19. Chen, Zhongping (2019). "Toward a Global Network Revolution: Zheng He's Maritime Voyages and Tribute-Trade Relations Between China and the Indian Ocean World". China and Asia. 1 (1): 3–49. doi:10.1163/2589465X-00101002.
Ray (1987a), 68. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Finlay (1992), 231. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (2008), 341. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Schottenhammer (2021), 131. Schottenhammer, Angela (2021). "Consolidating Southeast Asia and the Meaning of Force in History: Pax Ming and the Case of Chen Zuyi 陳祖義". China and Asia. 3 (1): 130–168. doi:10.1163/2589465X-030105.
Finlay (2008), 340–341. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Finlay (2008), 335. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Chen (2019), 29–30. Chen, Zhongping (2019). "Toward a Global Network Revolution: Zheng He's Maritime Voyages and Tribute-Trade Relations Between China and the Indian Ocean World". China and Asia. 1 (1): 3–49. doi:10.1163/2589465X-00101002.
Finlay (2008), 336 & 339. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Chen (2019), 24 & 29–30. Chen, Zhongping (2019). "Toward a Global Network Revolution: Zheng He's Maritime Voyages and Tribute-Trade Relations Between China and the Indian Ocean World". China and Asia. 1 (1): 3–49. doi:10.1163/2589465X-00101002.
Ray (1987a), 78–79. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Finlay (2008), 337. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Finlay (1992), 227. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Ray (1987a), 71–72. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Schottenhammer (2021), 163. Schottenhammer, Angela (2021). "Consolidating Southeast Asia and the Meaning of Force in History: Pax Ming and the Case of Chen Zuyi 陳祖義". China and Asia. 3 (1): 130–168. doi:10.1163/2589465X-030105.
Schottenhammer (2021), 146 & 150–152. Schottenhammer, Angela (2021). "Consolidating Southeast Asia and the Meaning of Force in History: Pax Ming and the Case of Chen Zuyi 陳祖義". China and Asia. 3 (1): 130–168. doi:10.1163/2589465X-030105.
Sen (2016), 616–617. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Ray (1987a), 81–85. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Ray (1987b), 158. Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177.
Sen (2016), 623. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Chen (2019), 21. Chen, Zhongping (2019). "Toward a Global Network Revolution: Zheng He's Maritime Voyages and Tribute-Trade Relations Between China and the Indian Ocean World". China and Asia. 1 (1): 3–49. doi:10.1163/2589465X-00101002.
T'ien (1981). Cited in Finlay (2008), 337. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Sen (2016), 621. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Sen (2016), 624–626. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
Liu (2019), 77–85. Liu, Yingsheng (2019). "An Open Knowledge System for Navigational Science: Zheng He's Maritime Expeditions and Sino-Foreign Overseas Exchange". China and Asia. 1 (1): 50–91. doi:10.1163/2589465X-00101003.
Ming (2005), 41. Ming, Wan (2005). "Zheng He's Voyages to the Western Oceans: 3 Books, 1 Map, 1 Novel, 1 Play, and 7 Steles". Ming Studies (51–52): 31–42. doi:10.1179/014703705788762672.
Ming (2005), 39. Ming, Wan (2005). "Zheng He's Voyages to the Western Oceans: 3 Books, 1 Map, 1 Novel, 1 Play, and 7 Steles". Ming Studies (51–52): 31–42. doi:10.1179/014703705788762672.
Finlay (1992), 232. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Ming (2005), 35–37. Ming, Wan (2005). "Zheng He's Voyages to the Western Oceans: 3 Books, 1 Map, 1 Novel, 1 Play, and 7 Steles". Ming Studies (51–52): 31–42. doi:10.1179/014703705788762672.
Finlay (2008), 334. Finlay, Robert (2008). "The Voyages of Zheng He: Ideology, State Power, and Maritime Trade in Ming China". Journal of the Historical Society. 8 (3): 327–347. doi:10.1111/j.1540-5923.2008.00250.x.
Finlay (1992), 236. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Schottenhammer (2021), 157. Schottenhammer, Angela (2021). "Consolidating Southeast Asia and the Meaning of Force in History: Pax Ming and the Case of Chen Zuyi 陳祖義". China and Asia. 3 (1): 130–168. doi:10.1163/2589465X-030105.
Finlay (1992), 225. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (1992), 226. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
The date of 15 February 1409 possibly refers to when the trilingual inscription was erected in Galle, indicating that it was put up during the homeward journey of the second voyage (Dreyer 2007, 66). If not, the inscription could have been prepared in China and erected between 1410 when the fleet arrived at Galle to 1411 during the third voyage (Dreyer 2007, 72). Duyvendak (1939, 369) states that the inscription must have been prepared in China on 15 February 1409 and erected during the third expedition (1409–1411), because he thinks that the 15 February 1409 date is connected to the dates for the conference of honors to two deities, Tianfei (天妃) on 21 January 1409 and Nanhaishen (南海神) on 15 February 1409. Dreyer, Edward L. (2007). Zheng He: China and the Oceans in the Early Ming Dynasty, 1405–1433. New York: Pearson Longman. ISBN978-0-321-08443-9. Dreyer, Edward L. (2007). Zheng He: China and the Oceans in the Early Ming Dynasty, 1405–1433. New York: Pearson Longman. ISBN978-0-321-08443-9. Duyvendak, J. J. L. (1939). "The True Dates of the Chinese Maritime Expeditions in the Early Fifteenth Century". T'oung Pao. 34 (5): 341–413. doi:10.1163/156853238X00171. JSTOR4527170.
Duyvendak (1939, 387) and Mills (1970, 8–9) made the conclusion that the recorded Palembang journey never happened. However, Dreyer (2007, 96) states that it cannot be proven whether it did or did not happen. Duyvendak, J. J. L. (1939). "The True Dates of the Chinese Maritime Expeditions in the Early Fifteenth Century". T'oung Pao. 34 (5): 341–413. doi:10.1163/156853238X00171. JSTOR4527170. Mills, J. V. G. (1970). Ying-yai Sheng-lan: 'The Overall Survey of the Ocean's Shores' [1433]. Cambridge: Cambridge University Press. ISBN978-0-521-01032-0. Dreyer, Edward L. (2007). Zheng He: China and the Oceans in the Early Ming Dynasty, 1405–1433. New York: Pearson Longman. ISBN978-0-321-08443-9.
Lo (1958), 149–150. Lo, Jung-pang (1958). "The Decline of the Early Ming Navy". Oriens Extremus. 5 (2): 149–168. JSTOR43383349.
Lo (1958), 156–157. Lo, Jung-pang (1958). "The Decline of the Early Ming Navy". Oriens Extremus. 5 (2): 149–168. JSTOR43383349.
Finlay (1992), 230. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (1992), 229. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Lo (1958), 152–153. Lo, Jung-pang (1958). "The Decline of the Early Ming Navy". Oriens Extremus. 5 (2): 149–168. JSTOR43383349.
Finlay (1992), 235–236. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (1992), 231. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (1992), 227. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Lo (1958), 151. Lo, Jung-pang (1958). "The Decline of the Early Ming Navy". Oriens Extremus. 5 (2): 149–168. JSTOR43383349.
Finlay (1992), 232. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (1992), 236. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (1992), 225. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (1992), 226. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Dooley (2012), 54. Dooley, Howard J. (2012). "The Great Leap Outward: China's Maritime Renaissance". The Journal of East Asian Affairs. 26 (1): 53–76. JSTOR23257908.
Dooley (2012), 54–55 & 69–72. Dooley, Howard J. (2012). "The Great Leap Outward: China's Maritime Renaissance". The Journal of East Asian Affairs. 26 (1): 53–76. JSTOR23257908.
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On 9 May 1421, lightning struck the Yongle Emperor's palace in Beijing, causing the Fengtian, Huagai, and Jinshen Halls to be destroyed in a fire (Ray 1987b, 161–162). For his decision to discontinue the Indian Ocean expeditions, the emperor was influenced by views that this disaster was a bad omen and a sign against the voyages (Sen 2016, 612). Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177. Sen, Tansen (2016). "The Impact of Zheng He's Expeditions on Indian Ocean Interactions". Bulletin of the School of Oriental and African Studies. 79 (3): 609–636. doi:10.1017/S0041977X16001038.
For instance, in 1436, civil officials requested that Wang Jinghong convey three million catties of pepper and sappanwood to Beijing and hand it over to the government. They drew up instructions in the name of the Zhengtong Emperor, who was nine years old. Officials could only legally access the inventories of overseas products, which were under the strict control of the eunuchs, with the emperor's permission. This was because, constitutionally, the emperor had absolute power in diplomatic affairs, which included goods imported by diplomatic missions. (Siu 2023, 5) Siu, Yiu (2023). "The Cessation of Zheng He's Voyages and the Beginning of Private Sailings: Fiscal Competition Between Emperors and Bureaucrats". Journal of Chinese History. 8: 95–114. doi:10.1017/jch.2022.45. S2CID258586977.
Ray (1987a), 65–66. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Ray (1987a), 69 & 74–75. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Ray (1987a), 74–75. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Ray (1987b), 162. Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177.
Finlay (1992), 230. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Ray (1987b), 165–167. Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177.
Finlay (1992), 229. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Siu (2023), 7. Siu, Yiu (2023). "The Cessation of Zheng He's Voyages and the Beginning of Private Sailings: Fiscal Competition Between Emperors and Bureaucrats". Journal of Chinese History. 8: 95–114. doi:10.1017/jch.2022.45. S2CID258586977.
Ray (1987b), 165. Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177.
Ray (1987b), 176–178. Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177.
Siu (2023), 3–6 & 19–20. Siu, Yiu (2023). "The Cessation of Zheng He's Voyages and the Beginning of Private Sailings: Fiscal Competition Between Emperors and Bureaucrats". Journal of Chinese History. 8: 95–114. doi:10.1017/jch.2022.45. S2CID258586977.
Siu (2023), 7–12. Siu, Yiu (2023). "The Cessation of Zheng He's Voyages and the Beginning of Private Sailings: Fiscal Competition Between Emperors and Bureaucrats". Journal of Chinese History. 8: 95–114. doi:10.1017/jch.2022.45. S2CID258586977.
Siu (2023), 6–7. Siu, Yiu (2023). "The Cessation of Zheng He's Voyages and the Beginning of Private Sailings: Fiscal Competition Between Emperors and Bureaucrats". Journal of Chinese History. 8: 95–114. doi:10.1017/jch.2022.45. S2CID258586977.
Finlay (1992), 235–236. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Ray (1987a), 70. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Ray (1987a), 68. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Finlay (1992), 231. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Ray (1987a), 78–79. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Finlay (1992), 227. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Ray (1987a), 71–72. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Ray (1987a), 81–85. Ray, Haraprasad (1987a). "An Analysis of the Chinese Maritime Voyages Into the Indian Ocean During Early Ming Dynasty and Their Raison d'Etre". China Report. 23 (1): 65–87. doi:10.1177/000944558702300107. S2CID154116680.
Ray (1987b), 158. Ray, Haraprasad (1987b). "The Eighth Voyage of the Dragon That Never Was: An Enquiry Into the Causes of Cessation of Voyages During Early Ming Dynasty". China Report. 23 (2): 157–178. doi:10.1177/000944558702300202. S2CID155029177.
Finlay (1992), 232. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (1992), 236. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (1992), 225. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.
Finlay (1992), 226. Finlay, Robert (1992). "Portuguese and Chinese Maritime Imperialism: Camoes's Lusiads and Luo Maodeng's Voyage of the San Bao Eunuch". Comparative Studies in Society and History. 34 (2): 225–241. doi:10.1017/S0010417500017667. JSTOR178944. S2CID144362957.