- FondsSJCR - The Records of St John's College
- SubfondsSJES - Estates
- Series2 - Estates and manors
- Subseries13/BMK - Boughton Malherbe (and Egerton), Kent
- Sub-sub-series1 - Southernden Farm, Boughton Malherbe
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- Item2 - Survey Report: Southernden Farm
- Item3 - Valuation: Crops & fixtures, Southernden Farm
- Item4 - Lease: Robert Cook
- File5 - Draft Lease: Robert Cook
- Item6 - Map: Field, Egerton