This article considers the theology of Roman Catholicism. It explains the notion that Rome alone is able to understand and interpret the Scriptures. It also discusses papal infallibility, the priesthood, baptism, mass, Mariology, as well as the doctrines of forgiveness and assurance. It offers some practical guidelines on how to show Christ to the Roman Catholic.

This article is about Lord's Day 29 of the Heidelberg Catechism. It looks at how the Roman Catholics view the mass (also today), and if we can still hold on to what the confession says about the mass.