Brueckner, Leo J. <br/><br/>
The New Learning Numbers / 
Leo J. Brueckner, Elda L. Merton and Foster E. Grossnickle. 
 - Chicago :  The John C. Winston,  c 1956. 
 - 346 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>326  326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic.<br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510 / B832n