Rosenbaum, René Pérez. [Untitled Manuscript], N.d. [begins "1.1 The Farm Worker's Problem of Amelioration Through Utilization in Agriculture"]

Rosenbaum, René Pérez. [Untitled Manuscript], N.d. [begins "1.1 The Farm Worker's Problem of Amelioration Through Utilization in Agriculture"], Box: 195, Folder: 10. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389713 Accessed September 27, 2026.