Bell, H. T. Montague
China year book 1919-20 : with map of Mongolia
George Routledge & Sons, 1919
 Buku Teks SO
Woodhead, H. G. W. (Henry George Wandesforde)
China year book 1914 : with a map of Mongolia, a portrait of the President, Yuan Shih-Kai, etc
E. P. Dutton, 1914
 Buku Teks SO
The china year book 1926
Simpkin, Marshall, Hamilton, Kent, 1927
 Buku Teks SO
The China year book 1928 / edited by H.G.W. Woodhead
University of Chicago, 1928
 Buku Teks SO
The China year book 1931-1932/ edited by H.G.W. Woodhead
The North-China Daily News & Herald, 1932
 Buku Teks SO