Ackermann, Robert <br/><br/>
Theories of knowledge  Acrilical introducation 

 - New York  McGraw - Hill Book  1965 
 - ix,304p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Philosophy, Western
<br/><br/><label>Dewey Class. No.: </label>182  / A18T