Columbia subject headings:
Harvard subject headings:
Bilingualism--Bibliography.
English language--Study and teaching--Bibliography
Eskimo languages--Bibliography.
Indians of North America--Languages--Bibliography.
Princeton subject headings:
English language--Study and teaching--Bilingual method--Bibliography.
Eskimo languages--Bibliography.
Indians of North America--Languages--Bibliography.
Indians of North America--Languages--Study and teaching--Bilingual method--Bibliography.