| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| World Geography and Cultures | 978-0-07-879995-2 (0-07-879995-3) | |
| World Geography and Cultures: Reading Essentials and Note-Taking Guide | 978-0-07-895499-3 (0-07-895499-1) | 2012 |
G D · G. P. · Ph.D. · R.D. · R. P. · R.Ph. · Richard D. · Richard G · Richard P.