Modern mathematics and your child, 
by Harry L. Phillips and Marguerite Kluttz. 
 - [Washington,  For sale by the Superintendent of Documents, U.S. Govt. Print. Off.,  1963] 
 - iv, 28 p.  illus.  15 x 24 cm. 
<br/><br/> "OE-29047." 
<br/><br/><label>LCCN: </label>hew63000107  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.
<br/><br/><label>LC Class. No.: </label>QA11  / .U52