| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A History of Baltimore County | 978-0-9602326-1-1 (0-9602326-1-3) | 1979 | Eric G. Rockel · William C. Hughes |
| Study Guide to accompany The American People: Creating A Nation And A Society | 978-0-321-18637-9 (0-321-18637-0) | 2003 | Ingrid I. Sabio |