Cole, Johnnetta B., author
The Free Press, 1982
Buku Teks
edited by Iain R. Edgar and Andrew Russell
Routledge, 1998
Buku Teks
edited by Franz Boas
D.C. Heath, 1938
Buku Teks
Eriksen, Thomas Hylland, author
Plutto Press, 2004
Buku Teks
The Ronald Press Company, 1965
Buku Teks