McSwain, E.T. et. al. <br/><br/>
Mathematics 7 
By E. T. McSwain, et. al. 
 - Palo Alto, California  Laidlaw Brothers  1969 
 - 384 pages, 23 cm. 
<br/><br/> Includes index 
<br/><br/><label>Dewey Class. No.: </label>510 Mc24 C1