- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileSM - Salt marsh
- ItemSM1 - Bird's-eye view of sward
- ItemSM2 - General view of sward
- ItemSM3 - General view of pans
- ItemSM4 - Terraces (three)
- ItemSM5 - Terraces (three)
- ItemSM6 - Juncus maritimus zone
- ItemSM7 - Edge of Juncus maritimus zone
- ItemSM8 - Juncus maritimus zone
- ItemSM9 - Salicornia zone
- 73 more...