Skip to content
  • Home
  • The New Testament
  • The Church Fathers
  • Doctors of the Church
  • Church History
  • Apologetics
  • Sources Used
  • Catechism of the Catholic Church (CCC)

Apologetics:
Explaining & Defending the faith

click on Titles for links:

Scripture & Tradition
  • Biblical Canon
  • The Deuterocanon (Apocrypha)
  • Biblical Interpretation & Translation
  • Biblical Doctrines 
  • Sacred Tradition
  • Who wrote the Gospels?
  • The Bible Alone?
The Church & Authority
  • Church Authority
  • Apostolic Succession
  • Church Hierarchy
  • The Papacy
  • Peter was in Rome
  • Schisms & Heresies
  • The Early Church was Catholic
The Nature of God & Man
  • The Trinity
  • Christ’s Divinity
  • The Filioque
  • Creation & Existence 
  • Original Sin
  • Mortal & Venial Sin
  • Christ’s Atonement 
Salvation
  • Justification 
  • Sanctification
  • Grace, Faith, Love, & Works
  • Purgatory
  • Faith Alone?
  • Once Saved, Always Saved?
  • The Rapture?
The Sacraments
  • (Infant) Baptism
  • The Eucharist
  • Confirmation
  • Confession
  • Anointing of the Sick
  • Holy Orders (Ordination)
  • Matrimony
The Mass & Worship
  • Worship & Prayer
  • The Lord’s Day / Sabbath
  • The Sacrifice of the Mass
  • The Liturgy of the Mass
  • Priestly Celibacy
  • Call No Man Father?
  • Women in the Priesthood
The Saints & Mary
  • The Intercession of Saints
  • Apparitions & Miracles
  • Mary, the Mother of God
  • The Immaculate Conception
  • Mary’s Perpetual Virginity
  • The Assumption of Mary
  • Mary, Queen of Heaven
Catholic Practices
  • The Sign of the Cross 
  • Fasting
  • Penance
  • Indulgences
  • Repetitious Prayers 
  • Statues & Images
  • Sacramentals & Relics
Contact email: thefourmarks4@gmail.com
Copyright © 2020 4MarksoftheChurch.com