Columbia subject headings:
Portugal--Colonies--Africa--Bibliography.
Portuguese--Africa--Bibliography.
Spain--Colonies--Africa--Bibliography.
Spaniards--Africa--Bibliography.
Harvard subject headings:
Africa, Portuguese-speaking--Bibliography.
Portugal--Colonies--Africa--Bibliography.
Portuguese--Africa--Bibliography.
Spain--Colonies--Africa--Bibliography.
Spaniards--Africa--Bibliography.
Princeton subject headings:
Africa, Portuguese-speaking--Bibliography.
Portugal--Colonies--Africa--Bibliography.
Spain--Colonies--Africa--Bibliography.
Spaniards--Africa--Bibliography.