Letwin Shirley Robin <br/><br/>
Pursuit of certainty 
Letwin Shirley Robin 
 - Cambridge  Cambridge University Press          1965 
 - viii, 391p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Philosophy<br/>Metaphysics
<br/><br/><label>Dewey Class. No.: </label>R3, K5