Leopold, Richard William, <br/><br/>
Problems in American history, 
edited by Richard W. Leopold [and] Arthur S. Link. 
 - 2d ed. 
 - Englewood Cliffs, N.J.,  Prentice-Hall,  1957. 
 - 706 p.  24 cm. 
<br/><br/><label>LCCN: </label>57006544 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--History--Sources.
<br/><br/><label>LC Class. No.: </label>E 173  / .L45 1957