Raz, Joseph, <br/><br/>
The authority of law  essays on law and morality 
by Joseph Raz. 
 - Oxford  New York  Clarendon Press  Oxford University Press  1979. 
 - ix, 292 p.  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Law--Philosophy.<br/>Derecho y Etica<br/>Derecho Natural<br/>Positivismo legal.<br/>Derecho--Filosofía.<br/>Law and ethics.<br/>Natural law<br/>Legal positivism.