Loomis, Charles P., and Lalit K. Sen. "Social Organization and Social Change." Institut International de Sociologie, XXII Congres, Rome, 1969 September 15-21

Loomis, Charles P., and Lalit K. Sen. "Social Organization and Social Change." Institut International de Sociologie, XXII Congres, Rome, 1969 September 15-21, Box: 181, Folder: 3. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/389334 Accessed September 27, 2026.