Ball, J. Dyer
Things Chinese: or, notes connected with China
Kelly & Walsh, 1925
 Buku Teks SO
China handbook 1937-1943 : a comprehensive survey of major developments in China in six years of war / The Chinese Ministry of Information
Macmillan, 1943
 Buku Teks
Chen, Yao
Western China
Chongging Publishing House, 2010
 Buku Teks
China
edited by China Pictorial
China Pictorial, [Date of publication not identified]
 Buku Teks
Wenley, A.G.
China
Smithsonian Institution, 1944
 Buku Teks