| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Graying of the Church: A Leader's Guide for Older-adult Ministry in the United Methodist Church | 978-O-88177-4O9-2 (O-88177-4O9-X) | 2006 |
H.G. · H.J. · J. G. · R. H. · R.H.J. · R.J. · Richard G · Richard H. · Richard H. Gentzler · Richard J.