- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileG - General (unclassified)
- 71 more...
- ItemG72 - [Photograph of base of tree trunk]
- ItemG73 - [Photograph of vegetation]
- ItemG74 - [Photograph of landscape with two people in foreground]
- ItemG76 - [Photograph of landscape with two people walking]
- ItemG77 - [Photograph of vegetation]
- ItemG78 - [Photograph of mature tree]
- ItemG81 - Clover heads
- ItemG82 - [Photograph of plant stems]
- ItemG86 - [Photograph of vegetation in landscape]
- 25 more...