- FondsSJCR - The Records of St John's College
- SubfondsSJES - Estates
- Series2 - Estates and manors
- Subseries3/AWH - Ashwell, Hertfordshire
- Sub-sub-series1 - Maps and plans: Ashwell
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- Item2 - Exchange of Lands
- File3 - Coprolite Pits
- File4 - Kirby's Farmhouse
- File5 - Drainage
- Item6 - River Rhee