| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 2131/6/III/15 |
| Alt Ref No | MS.2131.6 II (50) |
| Title | 'To sum up our Observations upon the System of this Philosopher [Descartes]. |
| Date | 18th century |
| Description | 'To sum up our Observations upon the System of this Philosopher [Descartes].1p. [MS.2131.6 II(50)] |
| Access Status | Open |