Spitzer, Herbert F.  1906- <br/><br/>
Enrichment of arithmetic / 
Herbert F. Spitzer 
 - St. Louis :  Webster Division, McGraw-Hill,  1964 
 - vp. :  ill. ;  21 cm. 
<br/><br/> Library has two copies 
<br/><br/>Bibliographical footnotes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching<br/>Arithmetic--Problems, exercises, etc<br/>Mathematics--Addresses, essays, lectures, etc<br/>Mathematics--Philosophy
<br/><br/><label>Dewey Class. No.: </label>511