Wint, Guy
Penguin Books, 1955
Buku Teks
Rosinger, Lawrence K., author
Alfred A. Knopf, 1951
Buku Teks
edited for the International Commission for a History of the Scientific and Cultural Development of Mankind by Guy S. Metraux and Francois Crouzet.
New American Library, 1965
Buku Teks
Romein, Jan, author
University of California Press, 1962
Buku Teks
Cha-Am, 2002
Buku Referensi