Morton <br/><br/>
An Illustrated Analysis of Making Sure of Arithmetic 

 - New York:  Silver Burdett Company, 
 - 47p.;  ill.  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic
<br/><br/><label>Dewey Class. No.: </label>372.7  / MOR