essays arranged and edited by Arthur E. Christy
John Day, 1945
Buku Teks SO
Lim, Hua Sing
Institute of Southeast Asian Studies, 1995
Buku Teks SO
Artikel Jurnal
James Babb
Institute of Social Science, University of Tokyo, 2002
Artikel Jurnal
Japan Tax Association, 1971
Buku Teks SO