Roberto M. Gerstmann, 1910 (ca), Cape Horn [Cap Horn], Albumen print, Photo Verdeau, LL/39936

Roberto M. Gerstmann, 1920, Bolivian Miner, Silver bromide print, Private collection of Brad Feuerhelm, LL/20759

Roberto M. Gerstmann, 1928, A miner of Pailaviri (Potosi), [Bolivia], Photogravure, Private collection of Daniel Buck, LL/17832

Roberto M. Gerstmann, 1928 (before), An Aymara type of Tilata on Lake Titicaca, an example of the enterprising Indian who by industry and intelligence attained a certain ease., [Bolivia, pl. 55], Photogravure, Private collection of Daniel Buck, LL/15485

Roberto M. Gerstmann, 1932 (before), Cochamo (Seno Roncalvi) Volcan Yates, [Chile, pl. 216], Photogravure, Private collection of Daniel Buck, LL/15486