Columbia subject headings:
Harvard subject headings:
G//ana language--Glossaries, vocabularies, etc.
G/wi language--Glossaries, vocabularies, etc.
Princeton subject headings:
English language--Dictionaries--Bushman languages--Dialects.
San (African people)--Languages--Dialects--Glossaries, vocabularies, etc.
San (African people)--Languages--Dialects--Kalahari.