- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileF - Fens
- 33 more...
- 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
- ItemF45 - [Unlabelled]
- ItemF46 - [Unlabelled]
- 49 more...