Lot of 5 Sepia Photogravures of Plains Indian Chiefs, Early 20th Century

Five photographs from the Wanamaker Indian Expeditions, 1909-13, includes five sepia photogravures, each credit lined © By Rodman Wanamaker 1913, taken by Joseph K. Dixon, includes "Chief Brave Bear", "Chief Timbo", "Chief White Horse", "Chief Plenty Coups", and "Mountain Chief", images c. 5 × 7 in., archivally hinged to uniform 14 × 11 in. exhibition mats, issued for The Vanishing Race portfolio (Doubleday, Page & Co., 1913)