Butler, Charles H., author. <br/><br/>
The teaching of secondary mathematics / 
Charles H. Butler, F. Lynwood Wren. 
 - Fourth edition 
 - New York :  McGraw-Hill Book Company,  c1965. 
 - 613 pages :  illustrations ;  21 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><br/>In English text. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Study and teaching.
<br/><br/><label>LC Class. No.: </label>CIR QA 11  / B88 1965