Directory of national and international labor unions in the United States. 1943-. - U. S. Bureau of Labor Statistics (Washington Govt. Print. Off., 1943)
Vols. for 1947- issued as the Bureau's Bulletin
vols. for 1947- issued also in the congresional series as House Documents.
Supersedes its Directory of AFL unions, 1939-42, and its Directory of CIO unions, 1939-42.
Title varies : 1943-1953, Directory of labor unions in the United States.
Other slight variations in title.
Keywords: Trade-unions -- U. S>4vDirect.