Pratt, Vernon <br/><br/>
The Philosophy of the Social Sciences 

 - London  Methuen and Co.  1978 
 - 186p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>0416763804     200 
<br/><br/><label>Dewey Class. No.: </label>N54.5  / P888