- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries3 - Prints
- File11 - Italy and Switzerland
- 46 more...
- ItemS48 - The Zuge gorge
- ItemS49 - Entrance to Avalanche Tunnel
- ItemS52 - Wiesen Church
- ItemS54 - Tobogganing on Buel Run
- ItemS55 - Tobogganing on Buel Run
- ItemS57 - Fluelen. S. end of Lake Lucerne
- ItemS58 - Fleulen near the Axen Strasse
- ItemD1 - Davos001
- ItemD2 - Davos002
- 9 more...