- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileS - Switzerland
- 31 more...
- ItemS47 - Chalet and larches on hill
- ItemS48 - The Zuge Gorge
- ItemS49 - Entrance to Avalanche Tunnel
- ItemS51 - Chalet in Wiesen
- ItemS52 - Wiesen Church
- ItemS54 - Tobogganing on Buol Run
- ItemS55 - Tobogganing on Buol Run
- ItemS57 - Fluelen
- ItemS58 - Fluelen
- 4 more...