Koch, Walther (1875-1915)

Winter Sports in the Grisons – Switzerland – Rhaetian Railway, Walther Koch
Davos 3rd big Ski Race of Switzerland, Walther Koch
Davos – International Ice-Skating Competitions 1909, Walther Koch
Davos – Schatzalp Sledge Run, Walther Koch
Davos Ski Race 1922, Walther Koch