- A History of the Christian Church by George P. Fisher (1916, abbreviated below as FHCC)
- Philip Schaff. History of the Christian Church (1886, abbreviated as SHCC) – Vol. 1 | Vol. 2 | Vol. 3 | Vol. 4 | Vol. 5 | Vol. 6 | Vol. 7 | Vol. 8
- The Ancient Catholic Church (A.D. 98 to 451) by Robert Rainey (1902, abbreviated below as RACC)
- The Creeds of Christendom by Philip Schaff (3 vols., 1877)
- Early Christian Fathers edited by Cyril Richardson, et al. (1953)
Want to go deeper?
The following are useful resources to purchase when pursuing your study of church history:
- Robert C. Walton. Chronological & Background Charts of Church History. Grand Rapids, Mich.: Zondervan, 2005.
- John D. Hannah. Charts of Reformation & Enlightenment Church History. Grand Rapids, Mich.: Zondervan, 2002).
- John D. Hannah. Charts of Modern and Post-Modern Church History. Grand Rapids, Mich.: Zondervan, 2004.
- Everett Ferguson. Church History, vol. 1: Christ to Pre-Reformation. Grand Rapids, Mich.: Zondervan, 2013.
- For online reading: History of the Christian Church by Philip Schaff (1886, abbreviated below as SHCC) – Vol. 1 | Vol. 2 | Vol. 3 | Vol. 4 | Vol. 5 | Vol. 6 | Vol. 7 | Vol. 8