Columbia subject headings:
Fatimid family.
Islamic Empire--History--Sources.
Yemen (Republic)--History--Sources.
Harvard subject headings:
Fatimid family.
Fatimites--History--Early works to 1800.
Islamic Empire--History--Sources.
Yemen (Republic)--History--Sources.
Princeton subject headings:
Fatimid family.
Islamic Empire--History--Sources.
Yemen (Republic)--History--Sources.