Shan, Patrick Fuliang (Fall 2006). "What was the 'Sphere of Influence'? A Study of Chinese Resistance to the Russian Empire in North Manchuria, 1900–1917". The Chinese Historical Review. 13 (2): 271–291. doi:10.1080/1547402X.2006.11827243. S2CID152244604.
Davis, Clarence B. (1982). "Financing Imperialism: British and American Bankers as Vectors of Imperial Expansion in China, 1908–1920". Business History Review. 56 (2): 236–264. doi:10.2307/3113978. ISSN0007-6805. JSTOR3113978. S2CID154584987.
Davis, Clarence B. (1982). "Financing Imperialism: British and American Bankers as Vectors of Imperial Expansion in China, 1908–1920". Business History Review. 56 (2): 236–264. doi:10.2307/3113978. ISSN0007-6805. JSTOR3113978. S2CID154584987.
Sugita, Yoneyuki, "The Rise of an American Principle in China: A Reinterpretation of the First Open Door Notes toward China" in Richard J. Jensen, Jon Thares Davidann, and Yoneyuki Sugita, eds. Trans-Pacific relations: America, Europe, and Asia in the twentieth century (Greenwood, 2003) pp 3–20 onlineArchived 2020-01-07 at the Wayback Machine
Shan, Patrick Fuliang (Fall 2006). "What was the 'Sphere of Influence'? A Study of Chinese Resistance to the Russian Empire in North Manchuria, 1900–1917". The Chinese Historical Review. 13 (2): 271–291. doi:10.1080/1547402X.2006.11827243. S2CID152244604.
Davis, Clarence B. (1982). "Financing Imperialism: British and American Bankers as Vectors of Imperial Expansion in China, 1908–1920". Business History Review. 56 (2): 236–264. doi:10.2307/3113978. ISSN0007-6805. JSTOR3113978. S2CID154584987.
state.gov
history.state.gov
"Monroe Doctrine, 1823". Office of the Historian. United States Department of State. April 6, 2016. Archived from the original on January 31, 2017. Retrieved March 26, 2016.
"Monroe Doctrine, 1823". Office of the Historian. United States Department of State. April 6, 2016. Archived from the original on January 31, 2017. Retrieved March 26, 2016.
Sugita, Yoneyuki, "The Rise of an American Principle in China: A Reinterpretation of the First Open Door Notes toward China" in Richard J. Jensen, Jon Thares Davidann, and Yoneyuki Sugita, eds. Trans-Pacific relations: America, Europe, and Asia in the twentieth century (Greenwood, 2003) pp 3–20 onlineArchived 2020-01-07 at the Wayback Machine
Davis, Clarence B. (1982). "Financing Imperialism: British and American Bankers as Vectors of Imperial Expansion in China, 1908–1920". Business History Review. 56 (2): 236–264. doi:10.2307/3113978. ISSN0007-6805. JSTOR3113978. S2CID154584987.