- FondsSJCR - The Records of St John's College
- SubfondsSJGR - Governing records
- Series5 - Benefactors and Benefactions
- Subseries2 - Benefactions: scholarships / exhibitions / fellowships / lecturerships / studentships
- Sub-sub-series57 - Platt scholarships and fellowships
- Sub-sub-sub-series2 - Release of rent charges, Hornsey and St. Pancras, London
- File1 - Release of rent charge, Kentish Town: order and receipt
- Item2 - Receipt for purchase of rent charge by St John's of land in St Pancras, Kentish Town, London