Knowlton, Clark S. "Spanish-American Schools in the 1970s." N.p. [photocopy], undated

Knowlton, Clark S. "Spanish-American Schools in the 1970s." N.p. [photocopy], undated, Box: 178, Folder: 8. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389266 Accessed September 26, 2026.