Seven great Cheyenne and Arapaho chiefs in Denver

The seven great Cheyenne and Arapaho chiefs in Denver in 1863 to negotiate with the governor of Colorado, United States of America, drawing by Janet Lange (1815-1872) photographs, from The American prairies, The Rocky Mountain Mines and the Land of the Red Skins by Louis Laurent Simonin (1830-1886), 1867, from Il Giro del mondo (World Tour), Journal of geography, travel and costumes, Volume X, Issue 2, July 9, 1868.