A Textbook of Church History Volume 2: A.D. 726-135 (1855) is a comprehensive historical account of the Christian Church during the period from the 8th to the 14th century. Written by John C. L. Gieseler, the book provides a detailed analysis of the development of the Church during this time, including the rise of the papacy, the Crusades, the schism between the Eastern and Western Churches, the emergence of the Protestant Reformation, and the impact...