Sawyer, W. W.   1911- <br/><br/>
Prelude to mathematics / 
by W. W. Sawyer. 
 - Harmondsworth :  Penguin Books Ltd.,  1955. 
 - 213 p. :  ill. ;  18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.