Leff, Gordon. <br/><br/>
History and social theory 
Gordon Leff. 
 - University, Ala.  University of Alabama Press  [1969] 
 - vi, 240 p. 
<br/><br/> 920505 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>78076586 //r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History--Methodology.<br/>History--Research.
<br/><br/><label>LC Class. No.: </label>D16  / .L48 1969 
<br/><br/><label>Dewey Class. No.: </label>907/.2