Play :  its role in developmet and evolution / 
edited by Jerome S. Bruner, Alison Jolly and Kathy Sylvia 
 - Harmondsworth :  Penguin,  1976 
 - 716 p. 16 p. of plates :  ill. ;  20 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0140811265 
<br/><br/><label>LCCN: </label>76-375649 //r892 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Play--Psychological aspects<br/>Child psychology