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By The Swiss Foundation for Alpine Research, with an introduction by Othmar Gurtner -
By The Swiss Foundation for Alpine Research, with an introduction by Othmar Gurtner
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The Story of the Two Swiss Expeditions of 1952By Rene Dittert, Gabriel Chevalley and Raymond Lambert, with a Preface by Sir John Hunt -
The Story of the Two Swiss Expeditions of 1952By Rene Dittert, Gabriel Chevalley and Raymond Lambert, with a Preface by Sir John Hunt
