The Philosophy of open education / 
edited and with an introd. by David Nyberg 
 - London :  Routledge & Kegan Paul,  1975 
 - xiii, 213 p. ;  23 cm. 
 - International library of the philosophy of education .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0710082851 
<br/><br/><label>LCCN: </label>75-332535 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Open plan schools