R.D. · R Dunbar · Roberta Ann Dunbar
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Humanities, Volume I | 978-0-618-41776-6 (0-618-41776-1) | 2004 | Mary Ann Frese Witt · Charlotte Brown · Frank Tirro · Ronald G. Witt |
| The Humanities, Volume II | 978-0-618-41777-3 (0-618-41777-X) | 2004 | Mary Ann Frese Witt · Charlotte Brown · Frank Tirro · Ronald G. Witt |