BenhamE. “The creative activity.” British Journal of Psychology, 20: 1929, pp. 59–65.
2.
DeweyJ. and Others. Art and Education. (Barnes Foundation Press: Merion, Pa., 1929) 349 pp.
3.
DowneyJ.Creative Imagination. (Harcourt, Brace and Co.: New York, 1929) 230 pp.
4.
EdmanI.Arts and the Man. (W. W. Norton and Co., Inc.: New York, 1939) 154 pp.
5.
FerencziS. “Stages in the Development of the Sense of Reality.” (In) An Outline of Psycho-analysis, ed. by Van TeslaarJ. S.. (Modern Library: New York, 1924) 383 pp. (pp. 108–127).
6.
FreudS.A General Introduction to Psychoanalysis. (Liveright: New York, 1935) 412 pp.
7.
FreudS.Leonardo da Vinci. (Moffat, Yard: New York, 1916) 130 pp.
8.
GriffithC. R. AND OTHERS. “Creative Activity and Expression” (In) Readings in Educational Psychology, ed. by SkinnerC. E.. (Farrar and Rinehart: New York, 1937) 630 pp. (pp. 270–289).
9.
HollingworthL. S.Gifted Children, Their Nature and Nurture. (The Macmillan Co.: New York, 1927) 374 pp.
10.
KretschmerE.The Psychology of Men of Genius. (Harcourt, Brace and Co.: New York, 1931) 256 pp.
11.
LangfeldH. S. “Conflict and Adjustment in Art.” (In) Problems of Personality, ed. by CampbellC. M. and Others. (Harcourt, Brace and Co.: New York, 1925) 434 pp. (pp. 373–383).
12.
LöwenfeldV.The Nature of Creative Activity. (Hareourt, Brace and Co.: New York, 1939) 272 pp.
13.
MontmassonI. M.Invention and the Unconscious. (Hareourt, Brace and Co.: New York, 1932) 338 pp.
14.
MunroT. “Creative imagination and nature “ and “How the artist looks at nature.” American Magazine of Art, June and July, 1932.
15.
PrescottF. C.The Poetic Mind. (The Macmillan Co.: New York, 1926) 308 pp.
16.
RankO.Art and Artist. (Alfred Knopf: New York, 1932) 443 pp.
17.
RibotT.Essay on the Creative Imagination. (Open Court: Chicago, 1906) 370 pp.
18.
RuggH., and ShumakerA. “The Psychology of the Creative Act.” (In) The Child-Centered School. (World Book Co.: New York, 1928) 359 pp. (pp. 276–286)
19.
SpearmanC.Creative Mind. (Nisbet: London, 1930) 153 pp.
20.
TermanL. M., and OdenM. “Status of the California Gifted Group at the End of Sixteen Years “ and “Correlates of Adult Achievement in the California Gifted Group.” (In) The Thirty-Ninth Yearbook, Part I, of this Society, 1939, pp. 67–89.
21.
WittyP. A. “Evidence Regarding the Nature of Intelligence from the Study of Superior Deviates.” (In) Addresses and Discussions Presenting the Thirty-Ninth Yearbook of this Society, 1940, pp. 23–30.