811 resultados para Hours of labor--United States


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Pt. 1. Potash reserves of the United States, by S. H. Dolbear.--Pt. 2. The economics of the potash industry, by J. Backman.--Pt. 3. Potash consumption, by J. W. Turrentine.

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Running title: Census of manufactures: 1929. Statistics for industries and states.

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Title varies slightly.

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Some vols. issued in the Congressional series as Senate or House documents.

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Imprint varies: Washington : Davis, <1816->

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Thesis (Ph.D.)--University of California, Berkeley, 1917.

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Cover title.

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Cover title.

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Mode of access: Internet.

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Mode of access: Internet.

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At head of title: United States Department of Commerce. Jesse H. Jones, secretary. Bureau of the Census. William Lane Austin, director. Vergil D. Reed, assistant director.