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040 _cCUS
082 _a363.1
_bALD/S
245 0 _aSafety First/
_bTechnology,Labor and Business in the Building of American Work Safety 1870-1939
_cAldrich,Mark
260 _aLondon:
_bThe Johns Hopkins University Press,
_c1997.
300 _a415p.
942 _cBook
999 _c162019
_d162019