Columbia subject headings:
Harvard subject headings:
Africa, North--Population.
Epidemics--Africa, North--History--18th century.
Epidemics--Africa, North--History--19th century.
Epidemics--Africa, North--History--20th century.
Medicine--Africa, North--History--18th century.
Medicine--Africa, North--History--19th century.
Medicine--Africa, North--History--20th century.
Public health--Africa, North--History--18th century.
Public health--Africa, North--History--19th century.
Public health--Africa, North--History--20th century.
Princeton subject headings:
Communicable diseases--Africa, North--History.
Communicable diseases--Africa, North--Prevention--History.
Epidemics--Africa, North--History.
Medical policy--Africa, North--History.
Public health--Africa, North--History.
Sanitation--Africa, North--History.