Columbia subject headings:
Bantu languages--Congo (Brazzaville)--Noun.
Bantu languages--Gabon--Noun.
Congo (Brazzaville)--Languages--Noun.
Gabon--Languages--Noun.
Harvard subject headings:
Bantu languages--Congo (Brazzaville)--Noun.
Bantu languages--Gabon--Noun.
Congo (Brazzaville)--Languages--Noun.
Gabon--Languages--Noun.
Princeton subject headings: