Fogel, Robert William. <br/><br/>
Without consent or contract :  the rise and fall of American slavery / 
Robert William Fogel. 
 - 1st ed. 
 - New York :  Norton,  c1989. 
 - 539 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 487-523. 
<br/><br/><label>ISBN: </label>0393018873 
<br/><br/><label>LCCN: </label>88023839 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Slavery--History.--United States<br/>Antislavery movements--United States.
<br/><br/><label>LC Class. No.: </label>E 441  / .F63 1989