Murdock, George Peter, author
McGraw-Hill, 1959
Buku Teks
edited by Phillis M. Martin and Patrick O'Meara
Indiana University Press, 1995
Buku Teks
Hatch, John, author
Frederick A. Praeger, 1962
Buku Teks
Bohannan, Paul, author
The National History Press, 1964
Buku Teks
by William Brass ... [et al.]
Princenton University Press, 1968
Buku Teks