Nebbia, Angel Federico. "Social Structure and Sub-Systemic 'Behavior:' An Analysis of Pattern Differentiation in Changing Group-Situation" (Thesis committee: Bernard Rosenberg; Julie Meyer; Carl Mayer), 1960 June, Box: 21. New School for Social Research Graduate Faculty theses, NS-02-04-03. The New School Archives. https://findingaids.archives.newschool.edu/repositories/3/archival_objects/64260 Accessed June 30, 2026.