| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Arab Gulf Cities 4 Volume Hardback Set | 978-1-85207-540-8 (1-85207-540-6) | 1994 |
| Gazetteer of Arabian Tribes 18 Volume Hardback Set | 978-1-85207-700-6 (1-85207-700-X) | 1996 |
Edited by R. Trench · R. C. Trench · R. T. · Rhona Trench · Richard C. Trench · Richard Chenevix Trench · Richard Trench · Robert C. Trench · Robert Kent Trench · Trench R.