Wittgenstein Ludwig <br/><br/>
On certainty 

 - New York  harper Perennial        1969 
<br/><br/><label>ISBN: </label>9780061316865 (pbk)  704.09 
<br/><br/><label>Standard No.: </label>113684 
<br/><br/><label>Source: </label> OD00515143347F, 07/01/2012, W S Retail Services Pvt. Ltd.  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHILOSOPHY
<br/><br/><label>Dewey Class. No.: </label>R3xM891,3, K9