Wright, Stanley F.
China's customs revenue since the revolution of 1911 / Stanley F.Wright
Statistical department of the Inspectorate general of customs, 1935
 Buku Teks
Wright, Stanley F.
Hart and the Chinese customs / by Stanley F. Wright
Mullan for The Queen's University, 1950-1954
 Buku Teks
Hirth, F.
A vocabulary of the text book of documentary Chinese
The Statistical Department of The in Pectorate General of Customs, 1888
 Buku Referensi
Fairbank, John K. (John King)
Trade and diplomacy on the China coast : the opening of the treaty ports, 1842-1854
Stanford University Press, 1969
 Buku Teks
Swinhoe, Robert
Narrative of the North China campaign of 1860 : containing personal experiences
Smith, Elder and Co., 1861
 Buku Teks