"Hart, H. L. A." <br/><br/>
Concept of law 

 - London  OUP  1978 
 - 263 p. 
<br/><br/><label>ISBN: </label>194423174 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Law--Philosophy
<br/><br/><label>Dewey Class. No.: </label>340.1 HAR