Columbia subject headings:
Africa, Sub-Saharan--Description and travel.
Africa, Sub-Saharan--History.
Africa--Discovery and exploration.
Emin Pasha, 1840-1892.
Harvard subject headings:
Africa, Sub-Saharan--Description and travel.
Africa, Sub-Saharan--History.
Africa--Discovery and exploration.
Emin Pasha, 1840-1892.
Princeton subject headings: