Taylor, John E.
MIT Press, 1999
Buku Teks
Peyton, Daniel
Blackstone Press limited, 1997
Buku Teks
Creel, George, 1876-1953, author
Bobbs-Merrill, 1949
Buku Teks
Rex, John
Oxford University Press, 1979
Buku Teks
by Margaret Mead [and others]
Columbia University Press, 1968
Buku Teks