Russell, Bertrand Russell , 3d earl ,1872- <br/><br/>
Our knowledge of the external world : as a field for scientific methhodin philosophy 
Bertrand Russell 
 -  George Allen & Unwin London  1914  1914 
 - 251 p. ; 22 cm. 
<br/><br/> "Delivered as lowell lectures in Boston, in March & April 1914."  Index 
<br/><br/><label>ISBN: </label>0-04-121008-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy--B
<br/><br/><label>LC Class. No.: </label>B1649.R93O8 1914