劉漢城 2019, pp. 27–30. 劉漢城 (2019-10-17), 《西藏自古以來就不是中國的一部份:用中國的官方/權威文獻明證》 [Tibet has not been a part of China since ancient times: Proved by Chinese official/authoritative documents] (PDF) (in Traditional Chinese), 雪域出版社, ISBN9789869619394, archived(PDF) from the original on 2022-04-21
劉漢城 2019, pp. 43–44. 劉漢城 (2019-10-17), 《西藏自古以來就不是中國的一部份:用中國的官方/權威文獻明證》 [Tibet has not been a part of China since ancient times: Proved by Chinese official/authoritative documents] (PDF) (in Traditional Chinese), 雪域出版社, ISBN9789869619394, archived(PDF) from the original on 2022-04-21
web.archive.org
劉漢城 2019, pp. 27–30. 劉漢城 (2019-10-17), 《西藏自古以來就不是中國的一部份:用中國的官方/權威文獻明證》 [Tibet has not been a part of China since ancient times: Proved by Chinese official/authoritative documents] (PDF) (in Traditional Chinese), 雪域出版社, ISBN9789869619394, archived(PDF) from the original on 2022-04-21
劉漢城 2019, pp. 43–44. 劉漢城 (2019-10-17), 《西藏自古以來就不是中國的一部份:用中國的官方/權威文獻明證》 [Tibet has not been a part of China since ancient times: Proved by Chinese official/authoritative documents] (PDF) (in Traditional Chinese), 雪域出版社, ISBN9789869619394, archived(PDF) from the original on 2022-04-21
The Columbia Encyclopedia, Sixth Edition (2001–07). YuanArchived 2008-05-09 at the Wayback Machine. Retrieved on 2008-04-28.
History of Ming-Geography I 《明史·志第十六·地理一》:計明初封略,東起朝鮮,西據吐番,南包安南,北距大磧。Note here it refers to the extent of fiefdoms that pays tribute to Ming, not territory of Ming, as Korea, Vietnam and Mongol were categorized under foreign states in the History of Ming.