| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Daring Promise: A Spirituality of Christian Marriage: Revised and Expanded | 978-O-7648-1559-1 (O-7648-1559-8) | 2007 |
Robert G. · Robert Gailard · Robert Gaillard · Robert Goehlert · Robert Goulard · Roberto Gilardi