1. Buer, F. (Hg.) (1991). Jahrbuch für Psychodrama, psychosoziale Praxis und Gesellschaftspolitik. Opladen: Leske & Budrich.
2. Carlson-Sabelli, L. (1992). Measuring co-existing opposites: A methodological exploration (summary). Doctoral Dissertation, University of Illinois at Chicago.*
3. Carlson-Sabelli, L. & Sabelli, H. (1992a). Interpersonal profiles: Analysis of interpersonal relations with the phase space of opposites. Proceedings of the Thirty-Sixth Annual Meeting of the International Society for the Systems Sciences (pp. 668–677). Denver, International Society for the Systems Sciences (Sonderdruck).*
4. Carlson-Sabelli, L. & Sabelli, H. (1992b). Diamond of opposites: sociodynamic sociometry for the 1990s. Unveröffentlichtes Manuskript, Chicago.*
5. Carlson-Sabelli, L., Sabelli, H., Patel, M. & Holm, K. (1992). The union of opposites in sociometry: An empirical application of process theory. Journal of Group Psychotherapy Psychodrama and Sociometry, 44(4), 147-171.*