Potter, David Morris. <br/><br/>
The impending crisis, 1848-1861 / 
by David M. Potter ; completed and edited by Don E. Fehrenbacher. 
 - 1st ed. 
 - New York :  Harper & Row,  c1976. 
 - xv, 638 p., [12] leaves of plates :  ill. ;  21 cm. 
 - The New American Nation series .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 584-621. 
<br/><br/><label>ISBN: </label>0060134038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sectionalism (United States)
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--History--Causes.--Civil War, 1861-1865
<br/><br/><label>LC Class. No.: </label>E459  / .P67 1976 
<br/><br/><label>Dewey Class. No.: </label>973.7/11