Columbia subject headings:
Barghash ibn Sa'id, Sultan of Zanzibar, approximately 1834-1888--Correspondence.
Great Britain--Foreign relations--Oman.
Oman--Foreign relations--Great Britain.
Oman--Foreign relations--Tanzania--Zanzibar.
Saʻīd bin Sulṭān, Sultan of Zanzibar, 1791-1856--Correspondence.
Zanzibar--Foreign relations--Oman.
Harvard subject headings:
Great Britain--Foreign relations--Oman.
Oman--Foreign relations--Great Britain.
Oman--Foreign relations--Zanzibar.
Saʻīd bin Sulṭān, Sultan of Zanzibar, 1791-1856--Correspondence.
Zanzibar--Foreign relations--Oman.
Princeton subject headings:
Barghash ibn Sa'id, Sultan of Zanzibar, approximately 1834-1888--Correspondence.
Bū Saʻīd dynasty, 1749---Correspondence.
Great Britain--Foreign relations--Oman.
Oman--Foreign relations--Great Britain.
Oman--Foreign relations--Tanzania--Zanzibar.
Oman--History--19th century--Sources.
Saʻīd bin Sulṭān, Sultan of Zanzibar, 1791-1856--Correspondence.
Zanzibar--Foreign relations--Oman.
Zanzibar--History--To 1890--Sources.