J.K · John C Klopke · John K. · John R Klopke
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| People's Catechism | 978-0-89942-258-9 (0-89942-258-6) | 1999 | |
| St. Joseph Guide to the Catechism | 978-0-89942-556-6 (0-89942-556-9) | 2013 | Catholic Church |