EditorialThe Bietschhorn from the Petersgrat, Bietschhorn in the Bernese Alps, signed: Photo: Donkin, Fig. 12, after p. 180, Donkin, W. F. (Photo), William Augustus Brevoort Coolidge: Alpine studies. London: Longmans, Green and Co., 1912.
EditorialA snowy summit in the Alps, Alphubel in the Valais Alps, signed: Photo: Donkin, Fig. 1, according to S. XIII, Donkin, W. F. (Photo), William Augustus Brevoort Coolidge: Alpine studies. London: Longmans, Green and Co., 1912.
EditorialA glacier in the Alps, Upper Grindelwald glacier in the Bernese Alps, signed: Photo: Donkin, Fig. 2, according to p. 27, Donkin, W. F. (Photo), William Augustus Brevoort Coolidge: Alpine studies. London: Longmans, Green and Co., 1912.