| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Catechism of the Catholic Church | 978-O-O2-6378O1-7 (O-O2-6378O1-9) | 1994 |
C.R. · Cardinal Ratzinger · J C · J. I. · J R · J. Ratzinger · Joseph C. · Joseph C. Ratzinger · Joseph Cardinal Ratzinger · Joseph R. · Joseph Ratzinger