1. The cognitive basis for linguistic structures;Bever,1970
2. On the acquisition of the meaning of “before” and “after”;Clark;Journal of Verbal Learning and Verbal Behavior,1971
3. Linguistic processes in deductive reasoning;Clark;Psychological Review,1969
4. The primitive nature of children's relational concepts;Clark,1970
5. Space, time, semantics, and the child;Clark,1973