Context:

Explicitly mentioned as 'Richard Rex in his book' when discussing when Luther's Reformation moment occurred, arguing it happened early in 1518.

Context:

Referenced as 'Richard Rex's book on Luther' - cited when discussing whether Luther actually nailed his 95 theses to the church door, with Rex pointing out this famous story almost certainly didn't happen as traditionally told.

Context:

The hosts read the first paragraph of this book to open the episode, describing Luther's posting of the 95 Theses. Referenced as providing the dramatic narrative of Luther's challenge to the Catholic Church.