Hart, H. L. A  1907-1992. <br/><br/>
The concept of law / 
by H.L.A. Hart ; with a postscript edited by Penelope A. Bulloch and Joseph Raz ; and with an introduction and notes by Leslie Green. 
 - 3rd ed /  introduction by Leslie Green. 
 - Oxford :  Oxford University Press,  2012. 
 - lv, 333 p ;  22 cm. 
 - Clarendon law series .
<br/><br/>Includes bibliographical references and index. 
<br/><br/>Persistent questions -- Laws, commands, and orders -- The variety of laws -- sovereign and Subject -- Law as the union of primary and secondary rules -- The foundations of a legal system -- Formalism and rule-scepticism -- Justice and morality -- Laws and morals -- International law. 
<br/><br/><label>ISBN: </label>9780199644704 (pbk.) 
<br/><br/><label>LCCN: </label>2012474175 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>015978198 015978198 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jurisprudence--Methodology.<br/>Law--Philosophy.<br/>Droit--Philosophie.<br/>Jurisprudence--Méthodologie.<br/>Jurisprudence--Methodology<br/>Law--Philosophy
<br/><br/><label>LC Class. No.: </label>K237  / .H37 
<br/><br/><label>Dewey Class. No.: </label>340.1 340.1