- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileS - Switzerland
- 1 more...
- ItemS3 - Davos Rath-Haus
- ItemS5 - Davos Platz
- ItemS6 - Davos Platz
- ItemS7 - Davos
- ItemS8 - Davos
- ItemS9 - Davos Dorf
- ItemS10 - Snow-roller in snow storm
- ItemS11 - Davos Dorf
- ItemS12 - Dorf
- 34 more...