Columbia subject headings:
Harvard subject headings:
Aga Khan III, 1877-1957.
Aga Khan IV, 1936-
Aga Khans.
Ismailites--Biography.
Princeton subject headings:
Aga Khan III, 1877-1957.
Aga Khan IV, 1936-
Aga Khans.
Ismailites--Kings and rulers.