- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileSM - Salt marsh
- 72 more...
- ItemSM77 - Borth negatives
- ItemSM78 - Borth negatives
- ItemSM78A - Borth negatives
- ItemSM79 - Borth negatives
- ItemSM80 - Borth negatives
- ItemSM81 - Borth negatives
- ItemSM82 - Borth negatives
- ItemSM83 - Borth negatives
- ItemSM84 - Borth negatives
- 1 more...