1. Robert A. Cummins, G. C. Myers, E. L. Cornell, A. I. Gates & A. T. Poffenberger (1918). New York Branch of the American Psychological Association. Journal of Philosophy, Psychology and Scientific Methods 15 (5):130-134.
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  2. Robert A. Cummins (1914). A Study of the Effect of Basket Ball Practice on Motor Reaction, Attention and Suggestibility. Psychological Review 21 (5):356-369.
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  3. Robert A. Cummins (1917). Individual Differences in a Normal School Class. Psychological Review 24 (5):403-412.
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