Manschreck, C. L., & Petry, R. C. (1981). A History of Christianity: Readings in the history of the Church. --. Baker Book House.

Manschreck, Clyde Leonard, and Ray C. Petry. A History of Christianity: Readings in the History of the Church. --. Grand Rapids, Mich.: Baker Book House, 1981.

Manschreck, Clyde Leonard, and Ray C. Petry. A History of Christianity: Readings in the History of the Church. --. Baker Book House, 1981.