- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileSM - Salt marsh
- 22 more...
- ItemSM25 - Formation of channel pans
- ItemSM26 - Chain of 4 channel pans
- ItemSM27 - Chain of channel pans
- ItemSM29 - Compound pan
- ItemSM30 - Formation of compound pan
- ItemSM31 - Incomplete formation of compound pan
- ItemSM32 - Compound pan
- ItemSM34 - Large compound pan
- ItemSM36 - Triglochin hummocks
- 51 more...