943 resultados para United States Naval Observatory


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by Isaac A. Hourwich.

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"Addendum": 1 leaf laid in.

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National Industrial Conference Board.

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At head of title: Department of Commerce. Bureau of Foreign and Domestic Commerce. E.E. Pratt, Chief ...

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At head of title: Department of Commerce. Bureau of Foreign and Domestic Commerce. E.E. Pratt, Chief ...

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Department of Commerce, Bureau of Foreign and Domestic Commerce.

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prepared under the direction of Carroll D. Wright ; for the use of the United States Department of Labor.