Columbia subject headings:
Harvard subject headings:
Congo (Brazzaville)--Languages.
French language--Congo (Brazzaville)
French language--Dialects--Congo (Brazzaville)--Glossaries, vocabularies, etc.
French language--Provincialisms--Congo (Brazzaville)--Glossaries, vocabularies, etc.
Languages in contact--Congo (Brazzaville)
Princeton subject headings:
Congo (Brazzaville)--Languages.
French language--Congo (Brazzaville).
French language--Dialects--Congo (Brazzaville)--Glossaries, vocabularies, etc.
Languages in contact--Congo (Brazzaville).