On problem-solving.
Series: Psychological monographs; J.F. Dashiell, editor.  Vol. 58, no. 5, whole no. 270, 1945; Psychological monographs, v. 58 -- no. 5
Publisher: The American psychological association, inc.
Published: 1945
Place of publication: Washington, D.C
Number of pages: 113
Subjects: Reasoning (Psychology); Thought and thinking
Notes: Translation of Zur Psychologie des Produktiven Denkens.

"References": p. 112.

Potocopy (Positive) made in 1962 by the University of Toronto Library.