Columbia subject headings:
Averroës, 1126-1198.
Avicenna, 980-1037.
Ibn Khaldūn, 1332-1406.
Islamic philosophy--History.
Harvard subject headings:
Averroës, 1126-1198
Avicenna, 980-1037.
Ibn Khaldūn, 1332-1406.
Islamic philosophy--History.
Princeton subject headings: