Cortese, Anthony J. "A Developmental Theory of Cognitive Differentiation: Structural Differences in the Development of the Child Based on Ethnic, Socio-Cultural and Interactional Factors." University of Notre Dame, 1977 May

Cortese, Anthony J. "A Developmental Theory of Cognitive Differentiation: Structural Differences in the Development of the Child Based on Ethnic, Socio-Cultural and Interactional Factors." University of Notre Dame, 1977 May, Box: 164, Folder: 11. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/388876 Accessed September 27, 2026.