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Statistics of industrial accidents in the United States : to the end of
USA / Bureau of Labor Statistics - Washington, DC : Gov. Print. Off. - 1927(1929) nachgewiesen
Persistent link: https://www.econbiz.de/10009357167
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Record of industrial accidents in the United States : to
USA / Bureau of Labor Statistics - Washington, DC : Gov. Print. Off. - 1925(1927) nachgewiesen
Persistent link: https://www.econbiz.de/10009357169
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Health survey of the printing trades
USA / Bureau of Labor Statistics - Washington, DC : Gov. Print. Off. - 1922/25(1927) nachgewiesen
Persistent link: https://www.econbiz.de/10009357170
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Statistics of industrial accidents in the United States : to the end of
USA / Bureau of Labor Statistics - Washington, DC : Gov. Print. Off. - 1923 nachgewiesen
Persistent link: https://www.econbiz.de/10009413258