Columbia subject headings:
Harvard subject headings:
Islam and world politics.
Islamic Empire--Foreign relations.
Islamic Empire--History, Military.
Islamic Empire--History--622-661.
Muḥammad, Prophet, -632--Biography.
Muḥammad, Prophet, -632--Military leadership.
Princeton subject headings:
Islam and world politics.
Islamic Empire--Foreign relations.
Islamic Empire--History, Military.
Islamic Empire--History--622-661.
Muḥammad, Prophet, -632--Biography.
Muḥammad, Prophet, -632--Military leadership.