Columbia subject headings:
Mombasa (Kenya)--History--17th century.
Mombasa (Kenya)--History--18th century.
Harvard subject headings:
Mombasa (Kenya)--History--17th century.
Mombasa (Kenya)--History--18th century.
Yemen (Republic)--History.
Princeton subject headings:
Mombasa (Kenya)--History--17th century.
Mombasa (Kenya)--History--18th century.