1. Interaction Process Analysis: A Method for the Study of Small Groups, Addison-Wesley, Cambridge, 1950.
2. Animal Behavior Revised Experimental Edition, Biological Sciences Curriculum Study, Boulder, Colorado, 1964.
3. FIRO: A Three-Dimensional Theory of Interpersonal Behavior. Rinehart, New York, 1958.
4. A Set of Categories for the Analysis of Small Group Interaction