Hart, H. L. A. <br/><br/>
The concept of law / 

 - New York :  Oxford University Press,  [1972] 
 - 263 p. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0198760728 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jurisprudence<br/>Law
<br/><br/><label>Dewey Class. No.: </label>340  / HAR