Proceedings of the twelfth constitutional convention of the AFL-CIO. 

 - Washington  AFL-CIO  1977. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Congress of Industrial Organizations U.S.<br/>American Federation of Labor
<br/><br/><label>Subjects--Meeting Names: </label><br/>Constitutional Convention of the AFL-CIO New York, N.Y.)  12 th (1977