Thirlway, H. W. A.,  1937- <br/><br/>
The sources of international law / 
Hugh Thirlway. 
 - Second edition. 
 - xxi, 247 pages ;  24 cm. 
 - Foundations of public international law .
<br/><br/>Includes bibliographical references and index. 
<br/><br/>The nature of international law and the concept of sources -- Treaties and conventions as a source of law -- Custom as a source of international law -- General principles of law as a source of law -- The subsidiary sources -- Interaction or hierarchy between sources -- Specialities : jus cogens, Obligations erga omnes, soft law -- Subsystems of international law -- Some alternative approaches. 
<br/><br/><label>ISBN: </label>9780198841814 9780198841821 
<br/><br/><label>LCCN: </label>2018967692 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International law--Sources.
<br/><br/><label>LC Class. No.: </label>KZ1279  / .T45 2019