Clyne, P. <br/><br/>
Progressive mathematics / 
with a foreword by J. H. Hassall. 
 - London :  Chapman & Hall,  1950. 
 - xii, 270 p. :  diagrs. ;  23 cm. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510  / CLP 1950