Laurie Dien The Use and Management of Toys and Loose Parts on a Staffed Playground: Values, Problems and Possibilities Children's Environments Monograph, 1991. PL:103 $30.00 337pp

Maria Cheung The Impact of Play Environment and the Social Integration of Mentally Retarded and Non-disabled Children Children's Environments Monograph, 1989. PL:104 $20.00 200pp

Jason Schwartzman A Comparison of Teacher-Child Play Interaction in Mentally Retarded and Non-disabled Groups Children's Environments Monograph, 1988. PL:105 $15.00 174pp

Roger Hart The Right to Play and Children's Participation A presentation at the conference "Article 31: The Child's Right to Play", 1994. Printed in the Article 31 Action Pack. PL:52 $2.00 9pp

Roger Hart Play and Place: Transforming Environments, Produced in Great Britain by Technical Filmsetters Europe Limited, Manchester 14pp [PDF]