1. Becker, B. J. (1989). The effect of mands and tacts on conversational units and other verbal operants. (Doctoral dissertation, 1989, Columbia University). Abstract from UMI Proquest Digital Dissertations [on-line]. Dissertations Abstracts Item: AAT 8913097.
2. Catania, C. A. (1998). Learning. Upper Saddle River, NJ: Prentice-Hall.
3. Chu, H. C. (1998). A comparison of verbal behavior and social skills approaches for development of social interaction skills and concurrent reduction of aberrant behaviors of children with developmental disabilities in the context of the matching theory. (Doctoral dissertation, 1998, Columbia University). Abstract from UMI Proquest Digital Dissertations [on-line]. Dissertations Abstracts Item: AAT 9838900.
4. Cuvo, A. J. (2003). On stimulus generalization and stimulus classes. Journal of Behavioral Education, 12, 77–83.
5. Gilic, L. (2005). The development of naming in two-year old children. Unpublished doctoral dissertation, Columbia University, NY.