- Early Christians
- First Christian Communities and Churches
- Early Christian Churches and Holy Places
- Churches: Organization: Structure, Clergy and Early Rituals
- Early Spread of Christianity
- Early Jewish-Christian Friction
- Women in the Early Christian Church
- Art and Texts from the Early Christian Period
- Early Christian Councils and Divisions
- Early Christian Beliefs and Theology
- Early Christian Theologians
- Church of the Holy Sepulchre: Structure, Tomb of Jesus, Disputes
- History and Ancient Accounts of the Church of the Holy Sepulchre
- Christianity in the Roman Empire
- Early Christian Community in the Roman Empire
- Martyrs and the Persecution of Christians in Rome
- Victims of Roman Christian Persecution
- Diocletian: Split of the Roman Empire, Price Controls and the Persecution of Christians
- Constantine the Great (AD 312-37): His Life, Rise to Power and Achievements
- Constantine the Great (A.D. 312-37) and Christianity in the Roman Empire
- Council of Nicaea in A.D. 325: Debate, Arius and the Nicene Creed
- Catholic-Orthodox Split
- Holy Land at the Time of Christ
- Early Christian Divisions and Groups
