- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileF - Fens
- 27 more...
- ItemF31 - Peat Trenches
- ItemF32 - Single Peat Trench
- ItemF33 - Single Peat Trench
- ItemF34 - Peat Cutting
- ItemF35 - Peat Stack
- ItemF36 - Old stool of Bog Oak
- ItemF37 - Old stool of Bog Oak
- ItemF39 - Fen trees leaning towards N.E.
- ItemF40 - Angelica sylvestris
- 55 more...