Copyright law revision 

 - Washington  U.S. Government Printing Office Washington      1961 
 - xiii,1-160p  cm. 
<br/><br/><label>Standard No.: </label>25,966 
<br/><br/><label>Source: </label> Reports / Technical Reports 
<br/><br/><label>Dewey Class. No.: </label>Z73:2674, K1