Tradition

-- Dr Hahn’s Books:
Reasons to Believe,

-- Dr. Hahn Audio:
The Four Marks of the Church

-- Additional Resources:
Articles: Pillar and Bulwark of the Truth: The Infallible Magisterium of the Catholic Church, Scripture, Tradition and Canonicity

Books: One, Holy, Catholic and Apostolic: The Early Church Was the Catholic Church by K. D. Whitehead, Tradition and Traditions: The Biblical, Historical and Theological Evidence for Catholic Teaching on Tradition by Yves Congar