"The Apachean Culture Pattern and Its Origins," in Vol. 10, Southwest, ed. Alfonso Ortiz, of Handbook of North American Indians (gen. ed. William C. Sturtevant). Washington, D.C.: Smithsonian Institution, pp.368-392. (Synonymy by William J. de Reuse, pp.385-392), 1983, Box: 122, Folder: 54. Morris Edward Opler papers, 14-25-3238. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/240649 Accessed April 18, 2026.