| Repository | Scottish Catholic Archives, Historic Archives |
| Ref No | SCAHA/SK/6/13/11 |
| Title | Letter to Abbot Arbuthnot |
| Date | 19 Feb 1780 |
| Level | Item |
| Description | Letter regarding Heller's [or Slatter's?] book 'Demonstratio' |
| AccessConditions | Scottish Catholic Archives, Historic Archives, University of Aberdeen |