Columbia subject headings:
Tanzania--Foreign relations--United States.
Tanzania--Politics and government--1964-
United States--Foreign relations--Tanzania.
Zanzibar--Politics and government--To 1964.
Harvard subject headings:
Tanzania--Foreign relations--United States.
Tanzania--Politics and government--1964-
United States--Foreign relations--Tanzania.
Zanzibar--History--Revolution, 1964.
Zanzibar--Politics and government
Princeton subject headings:
Tanzania--Foreign relations--United States.
Tanzania--Politics and government--1964-
United States--Foreign relations--Tanzania.
Zanzibar--Politics and government--To 1964.