| Document reference | ZPB III/7/1 |
| Title | Letters and papers of Smithson and Jackson |
| Description | [inter alia relating to Newsham Mill Dam and Barmby estate] |
| Date | c1826-1866 |
| Level | Item |
| Catalogue status | Catalogued |
| Copies | This item has been microfilmed [MIC 1717] |