Collingwood, R G <br/><br/>
Speculum Mentis Or the Map of Knowledge 

 - Oxford  Clarendon Press  1963 
 - 327p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 100 
<br/><br/><label>Dewey Class. No.: </label>N01  / C691