Embree, John F.
American Anthropological Association, 1941
Buku Teks
Day, A. Grove (Arthur Grove), 1904-1994, author
University of Nebraska Press, 1951
Koleksi Publik
McNickle, D`Arcy, author
J.B. Lippincott, 1949
Buku Teks
Fletcher, Sydney E., author
Grosset & Dunlap, 1954
Buku Teks
Feder, Norman
H. N. Abrams, 1973
Buku Teks