| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Coal Systems Analysis | 978-0-8137-2387-7 (0-8137-2387-6) | 2005 | |
| Regional Studies of the Potwar Plateau Area, Northern Pakistan | 978-99954-2-533-3 (99954-2-533-5) | 1995 | Bruce R. Wardlaw |
D.W. · D. Warwick · P W. · P. Warwick · Peter D. · Peter W. · Peter Warwick