- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries3 - Prints
- File11 - Italy and Switzerland
- 32 more...
- 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
- ItemS38 - Tall spruces
- ItemS39 - Path through wood
- ItemS40 - Spruces in snowstorm
- 23 more...