Columbia subject headings:
Egypt--Description and travel--Early works to 1800.
Ethiopia--Description and travel--Early works to 1800.
Ethiopia--History--Early works to 1800.
Nile River--Discovery and exploration--Early works to 1800.
Harvard subject headings:
Egypt--Description and travel--Early works to 1800.
Ethiopia--Description and travel--Early works to 1800.
Ethiopia--History--Early works to 1800.
Nile River--Discovery and exploration--Early works to 1800.
Princeton subject headings: