RUSSELL,B. <br/><br/>
Our knowledge of the external world:  as a field for scientific method in philosophy 
Bertrand Russell 
 - 1st ed. 
 - London  George allen & unwin  1914 
 - 251p. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label> 0 
<br/><br/><label>Dewey Class. No.: </label>PHIL.RUS  / RBn49