Pratt, Vernon <br/><br/>
Philosophy of the social sciences 

 - New York  Methuen  1978 
 - x, 188 
<br/><br/><label>ISBN: </label>416763804 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy-Social science<br/>Social science<br/>Social study-Objectivity