- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries3 - Prints
- File11 - Italy and Switzerland
- 29 more...
- ItemS20 - Chalet in deep snow
- ItemS21 - Davos Lake ice-cutting
- ItemS22 - Davos Lake ice-cutting
- ItemS25 - Davos Lake sawing up up block
- ItemS30 - Lichens on larch
- ItemS33 - Near Dishma Thal
- ItemS34 - Davos Valley
- ItemS35 - See Horn ice toboggan run
- ItemS37 - Wood [S-] hut
- 26 more...