Directory of national unions and employee associations. - 1 online resource (volumes). - - Began with: 1971; ceased with: 1979. - Bulletin . - Bulletin of the United States Bureau of Labor Statistics. . CRDP Program record. ISSN: LCCN: 2019230483 Subjects--Topical Terms: Labor unions--United States--Directories.Labor unions. Subjects--Geographic Terms: United States. Index Terms--Genre/Form: Directories. LC Class. No.: HD6504 / .A15 GPO Item No.: 0768-A-01 (online) Gov. Doc. Class. No.: L 2.3: