| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 2131/4/II/16 |
| Alt Ref No | [MS.2131.6 I (16); formerly MS.2131.6 I (4) |
| Title | 'The system of perceiving external objects by means of Phantasms or Ideas of them in the Mind...' |
| Date | November 1768 - December 1768 |
| Description | 'The system of perceiving external objects by means of Phantasms or Ideas of them in the Mind...' 35 pp. [MS.2131.6 I (16); formerly MS.2131.6 I (4)] |
| Access Status | Open |