TY  - BOOK
AU  - Blum,Albert A.
TI  - A history of the American labor movement
T2  - AHA pamphlets, 250
U1  - 331.88/0973 
PY  - 1972///]
CY  - Washington
PB  - American Historical Association
KW  - Trade unions
KW  - United States
KW  - History
KW  - Local
KW  - Sindicatos
KW  - Estados Unidos
KW  - Historia
N1  - Published in 1963 under title: The development of American labor; Bibliography: p. 37-39
ER  -