Columbia subject headings:
Harvard subject headings:
Ditch, Battle of the, Medina, Saudi Arabia, 627.
Islam--History
Muḥammad, Prophet, -632--Biography.
Muḥammad, Prophet, -632--Military leadership.
Princeton subject headings:
Ditch, Battle of the, Medina, Saudi Arabia, 627.
Islam--History.
Muḥammad, Prophet, -632--Biography.
Muḥammad, Prophet, -632--Military leadership.