Edited by Roy Douglas <br/><br/>
1939 : Retrospect forty years after,proceedings of a conference held at the university of surrey 27 october 1979 

 - London  Macmillan.  1983 
 - 104p. 
<br/><br/><label>ISBN: </label>333336321 
<br/><br/><label>Dewey Class. No.: </label>940 NIN