Columbia subject headings:
Harvard subject headings:
Africa, East--History.
Arabs--Africa
Indian Ocean.
Oman--History.
Saʻīd bin Sul.tān, Sultan of Zanizibar, 1791-1856.
Slave trade
Princeton subject headings:
Africa, East--History.
Arabs--Africa.
Indian Ocean.
Oman--History.
Saʻīd bin Sulṭān, Sultan of Zanzibar, 1791-1856.
Slave trade--Africa, East.