Blair, Walter
Scott-Foresman, 1946-1947
Buku Teks SO
edited Charles Singer, E.J. Holymyard, A.R. Hall
At The Clarendon Press, 1957
Buku Teks SO
Link, Arthur S.
Alfred A. Knopf, 1968
Buku Teks SO
Soewito Santoso
Institute of Southeast Asian Studies, 1980
Buku Teks SO
Clark, Victor S.
Peter Smith, 1949
Buku Teks SO