Understanding children's play / by Ruth E. Hartley, Lawrence K. Frank [and] Robert M. Goldenson.

Bibliographic Details

Main Author:	Hartley, Ruth E. (Ruth Edith), 1909-
Language:	English
Published:	New York : Columbia University Press, 1952.
Subjects:	Play. Child development.
Physical Description:	372 pages : illustrations ; 22 cm
Format:	Book