Columbia subject headings:
Arabian Peninsula--History.
Arabs--History--To 622.
Islam--Arabian Peninsula--History.
Harvard subject headings:
Islam--History
Islam--Saudi Arabia--Mecca.
Muḥammad, Prophet, -632
Princeton subject headings:
Arabian Peninsula--History.
Arabs--History--To 622.
Islam--Arabian Peninsula--History.
Muḥammad, Prophet, -632.
Muslims--Saudi Arabia--Mecca.