Columbia subject headings:
Africa, West--Description and travel.
Harvard subject headings:
Africa, West--Description and travel.
Cameroon--Description and travel.
Chad--Description and travel
Diaries.
Nigeria--Description and travel.
Perham, Margery, 1895-1982--Journeys--Africa, West.
Travel writing.
Princeton subject headings:
Africa, West--Description and travel.
Cameroon--Description and travel.
Chad--Description and travel.