Reilly, Mary. Play as exploratory learning : studies of curiosity behavior. / Mary Reilly, editor. - Beverly Hills [Calif.] : Sage Publications, 1974. - 317 p. illus. ; 24 cm. - 153.1/52 . Includes bibliographies. ISBN: 0803901593 Subjects--Topical Terms: Play. Dewey Class. No.: 153.1/52