905 resultados para Labor and laboring classes--United States
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Cover title.
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Mode of access: Internet.
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"Completed and opened for public viewing, September 27, 1952"--Cover.
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Description based on: 1975.
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Reuse of record except for individual research requires license from Congressional Information Service, Inc.
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Unbound.
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Index: v. 9, p. 323-410.
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Title varies slightly.
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Published by permission of the secretary of the Smithsonian institution and of the United States commissioner of fisheries.