| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 3790/12 |
| Title | Diploma to John Forbes from the American Philosophical Society at Philadelphia |
| Date | 17 January 1840 |
| Extent | 1 item |
| Description | Diploma awarding John Forbes membership with all the rights pertaining to fellowship of the American Philosophical Society at Philadelphia, 17 January 1840. |
| Access Status | Open |