TY  - BOOK
AU  - Burlingame, Roger
TI  - March of the iron men: a social history of union through invention
U1  - 608 
PY  - 1938///
CY  - New York
PB  - Grosset & Dunlap
KW  - Inventions -- History
KW  - U. S. civilization
KW  - U. S. -- Econ. condit
ER  -