Gardner, D. E. M., The children's play centre : its psychological value and its place in the training of teacher / by D. E. M. Gardner - New York : Agathon Press, 1970 - xv, 143 p. ; 21 cm. Reprint of the 1937 ed., with a new introd. by the author ISBN: 0875860192 Subjects--Topical Terms: Education, Preschool--Great BritainGames--Psychological aspects Dewey Class. No.: 371.61