Berman, Harold J., author
Little, Brown, 1953
Buku Teks
Miller, Wright
E.P. Dutton, 1961
Buku Teks
Lauterbach, Richard E.
Harper & Brother Publishers, 1945
Buku Teks
World Peace Foundation, 1951
Buku Teks
Barrott, Glynn
Australian Institute of Aboriginal Studie, 1981.
Buku Teks