Originally published in 1939.

After the death of Muhammad his community was ruled by three caliphs who kept their capital as Medina, the City of the Prophet. Under the rule of the caliphs those who did not confess the Muslim faith were under certain restrictions both in public and private life. This volume examines the social, cultural, religious and economic aspects of this period and includes chapters on:

Government Service; Churches and Monasteries; Christian Arabs, Jews and Magians; Dress; Financial Persecution, Medicine and Literature and Taxation.