Butler, Charles H.  b. 1894. <br/><br/>
The teaching of secondary mathematics 
[by] Charles S. Butler [and] F. Lynwood Wren. 
 - 4th ed. 
 - New York,  McGraw-Hill  [1965] 
 - 613 p.  illus.  24 cm. 
 - McGraw-Hill series in education .
 - Curriculum and methods in education .
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>64025596  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)
<br/><br/><label>LC Class. No.: </label>QA 11  / B88 1965 
<br/><br/><label>Dewey Class. No.: </label>510.712