Subjects: SAFETY First: Technology, Labor & Business in the Building of American Work Safety 1870-1939 (Book); ALDRICH, Mark; INDUSTRIAL safetyUNITED States
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Subjects: DEATH Rode the Rails: American Railroad Accidents & Safety 1828-1965 (Book); ALDRICH, Mark; RAILROAD accidents
Subjects: URBAN sociology; SOCIOECONOMICS; WAGESCHINA