- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries3 - Prints
- File1 - Cambridge Fens 1904
- Item1 - [Windmill]
- Item2 - [Tree]
- ItemF17 - Windmill near Wicken Lode Village
- ItemF32 - Single peat trench. Smaller scale
- ItemF33 - Single peat trench. Large scale
- ItemF34 - Peat cutting
- ItemF35 - Peat Stack
- ItemF45 - [untitled]
- 11 more...