1. The Principles Of Psychology Volume I By William James (1890);James,1890
2. The Behaviour of Organisms;Skinner,1938
3. A Brief Outline of the Higher Nervous activity. Psychologies of 1930;Pavlov,1930
4. The law of effect;Thorndike;Am. J. Psychol.,1927
5. Proceedings of the unconscious of the behaviorist. The unconscious: A symposium;Watson,1927