1.
Goal of B. F. Skinner and Behavior Analysis - Robert W. Proctor - Hardcover
by Proctor, R. W., Weeks, D. J.
ISBN: 9780387972367
List Price: $39.95
2.
Flowering Plants of Jamaica
by Adams, C. D., Proctor, G. R...
ISBN: 9780565008413
List Price: $45.00
3.
Stimulus-response Compatibility: an Integrated Perspective
by Proctor, Robert W., Proctor...
ISBN: 9780080867199