Hoebel, E. Adamson, author
McGraw-Hill, 1958
Buku Teks
Adam, Leonhard
Penguin Books, 1949
Buku Teks
Boas, Franz, 1858-1942, author
Macmillan, 1938
Buku Teks
Service, Elman R. (Elman Rogers), 1915-1996, author
Harper & Brothers, 1958
Buku Teks
Tylor, Edward B., author
Harper Torchbooks, 1958
Buku Teks