| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Essentials of Physical Geography | 978-0-03-005819-6 | 1997 | Robert E. Gabler · Robert J. Sager |
| Essentials of Physical Geography | 978-0-03-024846-7 | 1997 | Robert E. Gabler · Robert J. Sager |
| Essentials of Physical Geography | 978-0-03-098237-8 | 1993 | Robert E. Gabler · Robert J. Sager |
| Essentials of Physical Geography | 978-0-03-098563-8 | 1993 | Robert E. Gabler · Robert J. Sager |
| Essentials of Physical Geography | 978-0-03-035304-8 | 1991 | Robert J. Sager · Robert E. Gabler |
D. L. Wise · D.W. · Daniel L. · Daniel W. · Daniel Wise · L. W. · L Wise