Haas, Theodore H. The Indian & The Law – 1. United States Indian Service Tribal Relations Pamphlets 2. Washington: Haskell Institute, 1949

Haas, Theodore H. The Indian & The Law – 1. United States Indian Service Tribal Relations Pamphlets 2. Washington: Haskell Institute, 1949, Box: 83. George I. Sánchez Papers, 23866736. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/541549 Accessed September 27, 2026.