1.

図書
図書
1. Wages and hours of labor in the automobile tire industry, 1923
United States. Bureau of Labor Statistics
出版情報: Washington : G.P.O., 1924
シリーズ名: Wages and hours of labor series
Bulletin / Bureau of Labor Statistics ; no. 358
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2.

図書
図書
2. Wages and hours of labor in the paper and pulp industry, 1923
United States. Bureau of Labor Statistics
出版情報: Washington : G.P.O., 1925
シリーズ名: Wages and hours of labor series
Bulletin / Bureau of Labor Statistics ; no. 365
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3.

図書
図書
3. Wages and hours of labor in the petroleum industry, 1920
United States. Bureau of Labor Statistics
出版情報: Washington : G.P.O., 1922
シリーズ名: Wages and hours of labor series
Bulletin / Bureau of Labor Statistics ; no. 297
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4.

図書
図書
4. Women in Tennessee industries : a study of hours, wages, and working conditions
United States. Women's Bureau ; Voris, Ruth Irene ; Best, Ethel (Lombard), Mrs
出版情報: Washington : Govt. Print. Off., 1927
シリーズ名: Bulletin of the Women's Bureau ; no. 56
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5.

図書
図書
5. State laws affecting working women : hours, minimum wage, home work
United States. Women's Bureau ; Gordon, Mildred Larcom (Jones), Mrs
出版情報: Washington : Govt. Print. Off., 1924
シリーズ名: Bulletin of the Women's Bureau ; no. 40
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6.

図書
図書
6. Wages and hours of labor : common street laborers, 1928
United States. Bureau of Labor Statistics
出版情報: Washington : U.S. G.P.O., 1929
シリーズ名: Wages and hours of labor series
Bulletin / Bureau of Labor Statistics ; no. 484
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7.

図書
図書
7. Hours and earnings in anthracite and bituminous coal mining : anthracite-January, 1922, bituminous-winter of 1921-22
United States. Bureau of Labor Statistics
出版情報: Washington : U.S. G.P.O., 1922
シリーズ名: Bulletin / Bureau of Labor Statistics ; no. 316
Wages and hours of labor series
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