- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileF - Fens
- 31 more...
- 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
- ItemF41 - Typha being ousted by Carex
- ItemF42 - Typha + Carex
- ItemF43 - Eupatorium cannabinum
- ItemF44 - Wicken Sedge Fen
- 51 more...