The survival values of play ...
By: by Harvey A. Carr, M.S.
Series: Investigations of the Department of psychology and education of the University of Colorado. A. Allin ... editor.; v. 1, no. 2
Publisher: University of Colorado
Published: 1902
Place of publication: Boulder, Colo
Language: eng
Number of pages: 47
Subjects: Play
Notes: Bibliography: p. 45-47.