- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries3 - Prints
- File11 - Italy and Switzerland
- 23 more...
- ItemS13 - Davos Valley
- ItemS14 - Davos Dorf Schia Horn
- ItemS15 - Chalet near Fluela Thal
- ItemS16 - Swiss woman
- ItemS17 - Dishwa Thal Swartz Horn
- ItemS18 - In Davos Valley
- ItemS20 - Chalet in deep snow
- ItemS21 - Davos Lake ice-cutting
- ItemS22 - Davos Lake ice-cutting
- 32 more...