Ackermann, Robert . <br/><br/>
Theories of Knowledge: A Critical Introduction /  Textual Documents 
Robert Ackermann. 
 - 1st ed. / 
 - New Delhi :  Tata Mcgraw-Hill Publishing Company Ltd ,  C1965. 
 - 305p. :  ill ;  22cm . 
<br/><br/><label>Subjects--Index Terms: </label>Knoweldge Theory-Knoweldge Epistemological Tgought G-Philosophy 
<br/><br/><label>Dewey Class. No.: </label>112  / Ac 57 T