Chinese News Service, 1942
Buku Teks SO
Ball, J. Dyer
Kelly & Walsh, 1925
Buku Teks SO
edited by China Pictorial
China Pictorial, [Date of publication not identified]
Buku Teks SO
Wenley, A.G.
Smithsonian Institution, 1944
Buku Teks SO
The China Publishing, 1941
Buku Teks SO