Editore: Almqvist & Wiksell, Stockholm, 1954
Da: Between the Covers-Rare Books, Inc. ABAA, Gloucester City, NJ, U.S.A.
Prima edizione
Hardcover. Condizione: Fine. Condizione sovraccoperta: Good. First edition. Small quarto. 634 [1] pp. Majority of the text in English (see below). Illustrated in black and white. English translation revised by Wallace Dickie. Ownership stamp and signature of a noted American psychologist on the front fly, else fine in a soiled and worn, good only dustwrapper with the remains of an old external tape repair at the bottom of the lower flap. Wallgren was a Swedish pediatrician. Papers average around 15pp. each; the text is in English save for five papers in German, four in French, and one in Finnish.