Russell, Bertrand <br/><br/>
Our Knowledge Of The External World. 

 - London :  George Allen And Unwin,  1980 
 - 251 pages. 
<br/><br/><br/>English 
<br/><br/><label>Subjects--Topical Terms: </label>--Knowledge, Theory of,
<br/><br/><label>Dewey Class. No.: </label>121 Rus