M B · M M · Marcia Bonta · Marcia Myers Bonta
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| More Outbound Journeys in Pennsylvania: A Guide to Natural Places for Individual and Group Outings | 978-0-271-01445-6 (0-271-01445-8) | 1995 |
| Outbound Journeys in Pennsylvania: A Guide to Natural Places for Individual and Group Outings | 978-0-271-00606-2 (0-271-00606-4) | 1990 |