Imágenes para Psychologies of 1930. Kohler, Wolfgang | Adler, Alfred | Bentley, Madison | Kornilov, K. N. | Boring, Edwin Garrigues | McDougall, William | Brett, George Sidney | Nafe, John Paul | Carr, Harvey | Pavlov, Ivan Petrovich, | Dewey, John | Sander, Friedrich | Dunlap, Knight | Schniermann, A.L. | Flügel, John Carl | Spearman, C. | Hunter, Walter S. | Troland, Leonard T. | Janet, Pierre | Washburn, Margaret F. | Kelley, Truman L. | Weiss, Albert P. | Koffka, Kurt | Woodworth, Robert S. | Murchison, Carl