TY  - BOOK
AU  - Mangum, Garth L
TI  - The Operating Engineers: the economic history of a trade union
U1  - 331.0973 MAN 
PY  - 1964///
CY  - Cambridge
PB  - Harvard University Press
KW  - International Union of Operating Engineers
KW  - Industrial relations
N1  - <p>Bibliographical footnotes.</p>
ER  -