Sobel, Robert <br/><br/>
The Challenge of freedom / 
Robert Sobel ... [et al.]. 
 - 2nd [ed] 
 - Toronto :  Laidlaw Bros.,  c1986. 
 - 768 p. :  ill. (some col.) ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 734-737. 
<br/><br/> A textbook history of the United States with skill-developing activities in other social studies areas. 
<br/><br/><label>ISBN: </label>0844565601 
<br/><br/><label>LCCN: </label>83117423  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--History--Juvenile literature.<br/>United States--History.
<br/><br/><label>LC Class. No.: </label>E178.1  / .C42 1982 
<br/><br/><label>Dewey Class. No.: </label>973  / SOB