- FondsSJLM - The Records of Lady Margaret Beaufort
- Subfonds9 - Extended family, heirs and assigns
- Series4 - John Welles, 1st Viscount Welles
- Subseries2 - Estates held by John Welles
- Sub-sub-series6 - Other manors in Lincolnshire: including Easton, Beelsby, and Trusthorpe
- File1 - Trusthorpe, Lincolnshire
- Item1 - Notes concerning various manors in Lincolnshire and courts held there in the reigns of Edward III, Henry IV, Henry VI and Edward IV on behalf of the lord of Welles
- Item2 - Copy of manumission by John, Viscount Wells, of Thomas Stynt of Sutton, his serf