Raz, Joseph. <br/><br/>
The concept of a legal system :  an introduction to the theory of legal system / 
Joseph Raz. 
 - 2d ed. 
 - Oxford :  New York :  Clarendon Press ;  Oxford University Press,  1980. 
 - viii, 245 p. ;  23 cm. 
<br/><br/> Based on thesis, Oxford University.  Includes index. 
<br/><br/>Bibliography: p. [239]-241. 
<br/><br/><label>ISBN: </label>019825363X (Oxford University Press) : 0198253621 (Oxford University Press : pbk.) : 
<br/><br/><label>LCCN: </label>80040190  
<br/><br/><label>Nat. Bib. No.: </label>GB80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jurisprudence.
<br/><br/><label>LC Class. No.: </label>K230.R38  / C66 1980 
<br/><br/><label>Dewey Class. No.: </label>340.1  / RAC 1980