20351.1

Hütten, Zürich (Switzerland)23.04.-17.07.1935
Mont Bailly, Vaud (Switzerland) 29.04.-02.06.1935
Les Amburnex, Vaud, (Switzerland) 03.06.-03.10.1935

(1935)

  20351.2

Oakengates (Great Britain), June-September 1935
Litzirüti, Graubünden (Switzerland), 27.06.-12.10.1935

(1935)

  20351.3

Oakengates: Construction site map

(1935)