Causes of death by occupation : occupational mortality experience of the Metropolitan Life Insurance Company, Industrial Department, 1911-1913
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書誌事項
Causes of death by occupation : occupational mortality experience of the Metropolitan Life Insurance Company, Industrial Department, 1911-1913
（Industrial accidents and hygiene series, no. 11）（Bulletin / Bureau of Labor Statistics, whole no. 207）
G.P.O., 1917
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注記
At head of title: U.S. Department of Labor, Bureau of Labor Statistics