Columbia subject headings:
Harvard subject headings:
Africa, North--Kings and rulers--Biography.
Almoravides--Biography.
Spain--Kings and rulers--Biography
Yūsuf ibn Tāshfīn, Almoravid Emir, 1061-1106 or 1107
Princeton subject headings:
Andalusia (Spain)--History--11th century.
Morocco--History--11th century.
Morocco--Kings and rulers--History--11th century.
Morocco--Politics and government--11th century.
Sagrajas, Battle of, Spain, 1086.
Yūsuf ibn Tāshfīn, Almoravid Emir, 1061-1106 or 1107.