Collier, John. Office of Indian Affairs, (reprinted from the Annual Report to the Secretary of the Interior), 1939

Collier, John. Office of Indian Affairs, (reprinted from the Annual Report to the Secretary of the Interior), 1939, Box: 81. George I. Sánchez Papers, 23866736. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/541495 Accessed September 26, 2026.