"An Outline of Chiricahua Apache Social Organization," in Social Anthropology of North American Tribes, ed. Fred Eggan. Chicago: University of Chicago Press, 1937, pp.171-239 (second edition), 1955, Box: 121, Folder: 11. Morris Edward Opler papers, 14-25-3238. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/240570 Accessed April 12, 2026.