Birket-Smith, Kaj, author
University of Wisconsin Press, 1965
Buku Teks
Barnouw, Victor
The Dorsey Press, 1975
Buku Teks
Bunin, Ivan
Foreign Languages Publishing House, [Date of publication not identified]
Koleksi Publik
Frindland, L, author
Foreign Languages Publishing House, 1956
Buku Teks
the National Museum of Ethnology, 1991
Buku Referensi