- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileG - General (unclassified)
- ItemG1 - [Photograph of fungus]
- ItemG2 - [Photograph of fungus]
- ItemG3 - [Photograph of vegetation]
- ItemG4 - [Photograph of vegetation against brick wall]
- ItemG5 - [Photograph]
- ItemG6 - [Photograph]
- ItemG7 - [Diagram of buttercup]
- ItemG8 - [Diagram of several plants]
- 97 more...