Hart, H. L. A.  1907-1992. <br/><br/>
The concept of law / 
by H.L.A. Hart. 
 - 1st ed. 
 - Oxford :  New York :  Clarendon Press ;  Oxford University Press,  C1961 
 - x, 262 p. :  22 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jurisprudence--Methodology.<br/>Law--Philosophy.<br/>Direito<br/>Filosofia do direito<br/>Jurisprudencia
<br/><br/><label>Dewey Class. No.: </label>340.1