1. Breton Raymond , “Output Standards and Productive Behavior in Industrial Work Groups,”
2. Coleman James and Waldorf Frank , “Study of a Voting System with Computer Techniques”, ms.
3. Coleman James , “The Social System of the High School and the Game of Adolescence”, mimeographed, Department of Social Relations, Johns Hopkins University, 1962.
4. Formal Theories of Mass Behavior (Glencoe Free Press, 1963).
5. Gullahorn John T. and Gullahorn Jeanne E. , “Simulating Homans' Elementary Social Behavior”, paper presented at ASA meetings, 08 26–29, 1963, Los Angeles.