The Roman Catechism or the Catechism of the Council of Trent has been in use for centuries, and I think it would be safe to assert that it is the most venerable catechism we have. After finishing his series on the Catechism of Pope St. Pius X, Fr. Dave Nix is launching a new series on the Roman Catechism. Based on positive feedback on the previous series, it seemed beneficial to start a thread on the Roman Catechism.
For anyone wanting to read along, you can pick up a book or read online here. Those wanting a print, I'm aware of only two modern prints; one from TAN Books and one from Baronius Press.
I’m listened to Father Nix last night.