TY  - BOOK
ED  - United States
TI  - Brief history of the American labor movement
CY  - Washington
PB  - U.S. Bureau of Labor Statistics.
KW  - Trade unions
KW  - United States
KW  - History
KW  - Local
KW  - Sindicatos
KW  - Estados Unidos
KW  - Historia
N1  - Vols. for 1951- issued as its Bulletin no. 1000
ER  -