Dembo, L.S.
Conceptions of reality in modern American poetry
University of California Press, 1966
Buku Teks SO
Barnouw, Victor
Ethnology
The Dorsey Press, 1975
Buku Teks
Mallery, Garrick
Sign language among North American Indians : compared with that among other people and deaf-mutes
Mouton, 1972
Buku Teks SO
Wilson, Eva, 1925-
North American Indian designs
British Museum, 1998
Buku Referensi
Tarling, Peter N.
North Borneo and The Spanish-American War
Buku Teks