| Document Reference | Pl C 3 |
| Title | Miscellaneous correspondence predominantly sent to William H.C. Cavendish-Bentinck 3rd Duke of Portland; 1712-1807 |
| Date | 1712-1807 |
| Extent | 25 items |
| Level | SubSeries |
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Persons
| Code | PersonName | Dates of existence |
| NA905 | Bentinck; William H.C. Cavendish- (1738-1809); 3rd Duke of Portland; succ. 1762 | 1738-1809 |