Research methods in social relations  with special reference to prejudice 
Marie Jahoda, Morton Deutsch and Stuart W. Cook 
 - New York  Dryden Press  c1951 
 - 759 p. in 2 vols. 
<br/><br/> "Published for the Society for the Psychological Study of Social Issues (SPSSI)  Includes index 
<br/><br/>Bibliography : p. 391-406