Ball, J. Dyer
Things Chinese: or, notes connected with China / by J. Dyer Ball
Kelly & Walsh, Limited, 1925
 Buku Teks
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
Wenley, A.G.
China
Smithsonian Institution, 1944
 Buku Teks
China
edited by China Pictorial
China Pictorial, [Date of publication not identified]
 Buku Teks