Pursell, Carroll W. <br/><br/>
Astronomy in America / 
by Carroll W. Pursell, Jr. 
 - Chicago :  Rand McNally,  1967 
 - 48 p. :  ill. ;  23 cm. 
<br/><br/>Bibliography : p. 41. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--History--Juvenile literature--United States