Columbia subject headings:
Iran--History--To 640.
Iraq--History--634-1534.
Islamic Empire--History--622-661.
Qādisīyah, Battle of, Iraq, 637.
War--Religious aspects--Islam.
Harvard subject headings:
Iran--History--To 640.
Iraq--History--634-1534.
Islamic Empire--History--622-661.
Qādisīyah, Battle of, Iraq, 637.
War--Religious aspects--Islam
Princeton subject headings:
Iran--History--To 640.
Iraq--History--634-1534.
Islamic Empire--History--622-661.
Qādisīyah, Battle of, Iraq, 637.
War--Religious aspects--Islam.