- FondsSJCR - The Records of St John's College
- SubfondsSJGR - Governing records
- Series5 - Benefactors and Benefactions
- Subseries2 - Benefactions: scholarships / exhibitions / fellowships / lecturerships / studentships
- Sub-sub-series46 - McMahon studentships
- Sub-sub-sub-series5 - Papers and correspondence concerning McMahon studentships
- Item1 - Copy of case for the opinion of Counsel
- File2 - Correspondence with Thomas Bros (executor) ,1863-5 and 1873
- Item3 - Copy of trust deed
- File4 - Correspondence, papers concerning James McMahon, and executors' accounts