Columbia subject headings:
Africa--Antiquities.
Agriculture, Prehistoric--Africa.
Climatic changes--Africa.
Paleoclimatology--Africa.
Prehistoric peoples--Food--Africa.
Harvard subject headings:
Africa--Antiquities--Congresses.
Agriculture, Prehistoric--Africa--Congresses.
Climatic changes--Africa--Congresses.
Environmental archaeology--Africa--Congresses.
Human ecology--Africa--Congresses.
Paleoclimatology--Holocene--Congresses.
Prehistoric peoples--Africa--Congresses.
Prehistoric peoples--Food--Africa--Congresses.
Princeton subject headings:
Africa--Antiquities.
Agriculture, Prehistoric--Africa.
Climatic changes--Africa.
Paleoclimatology--Africa.
Prehistoric peoples--Food--Africa.