Hart, H. L. A. (Herbert Lionel Adolphus) <br/><br/>
The concept of law / 
by H.L.A. Hart,with an Introduction by Leslie Green 
 - Third Edition 
 - United Kingdom:  Oxford University Press;  c2012. 
 - lv,333p.:  21cm. 
 - Clarendon law series .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780199644704 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Law  Philosophy.
<br/><br/><label>Dewey Class. No.: </label>340.1  / HAR