Lay, L Clark. <br/><br/>
Arithmetic  an introduction to mathematics. 

 - New York  Macmillan  [1961] 
 - xiii, 323 p.  illus.  26 cm. 
<br/><br/><label>LCCN: </label>61005230 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic<br/>Algebra
<br/><br/><label>Dewey Class. No.: </label>510