The J. Paul Getty Museum
H. B. George
License, verbatimCC0
The J. Paul Getty Museum: image dedicated to the public domain under Creative Commons Zero (CC0), stated on the media record itself ('Rights for Media'), with download clearance.
H. B. George. The Oberland and Its Glaciers: Explored and Illustrated with Ice-Axe and Camera., 1866. The J. Paul Getty Museum.