International copyright conventions. 

 - Washington :  Library of Congress, Copyright Office,  1977 
 - 35 p. ;  27 cm. 
<br/><br/> Cover title.  Issued may 1977. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copyright, International
<br/><br/><label>GPO Item No.: </label>802-A 
<br/><br/><label>Gov. Doc. Class. No.: </label>LC 3.4/2:38 c