Vol.19. The Indians of Oklahoma. The Wichita. The Southern Cheyenne. The Oto. The Comanche. The Peyote Cult.
Portfolio 19
Vol.20. The Alaskan Eskimo. The Nunivak. The Eskimo of Hooper Bay. The Eskimo of King Island. The Eskimo of Little Diomede Island. The Eskimo of Cape Prince of Wales. The Kotzebue Eskimo. The Noatak. The Kobuk. The Selawik.