Clarence Ethel Hardgrove, Ward Morgan <br/><br/>
Modern elementary mathematics / 
Clarence Ethel Hardgrove, Ward Morgan 
 -  Addison Wesley Publishing Com. Inc. Massachusetts 
 - 420 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / WARM