Columbia subject headings:
English language--Dictionaries--Navajo.
Navajo language--Dictionaries--English.
Navajo language--Grammar.
Harvard subject headings:
English language--Dictionaries--Navajo.
Navajo language--Dictionaries--English.
Navajo language--Grammar.
Princeton subject headings:
English language--Dictionaries--Navaho.
Navajo language--Dictionaries--English.
Navajo language--Grammar.