101 Philosophy problems 
Cohen, Martin. 
 - Second edition. 
 -  Routledge.  1999 
 - xviii,229 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-415-26129-5 
<br/><br/><label>Dewey Class. No.: </label>100 C66p 1999