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Technological changes and employment in the United States Postal Service ... December, 1932.

By Bowden, Witt,.
Washington, U.S. Govt. Print. Off., 1932 .
v, 69 p. , At head of title: United States Department of Labor. W.N. Doak, secretary. Bureau of Labor Statistics. Charles E. Baldwin, acting commissioner. | "Prepared by Dr. Witt Bowden, of the United States Bureau of Labor Statistics."--Acknowledgment. | Issued also as House doc. 392, 72d Cong., 2d sess. 23 cm..

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Technological changes and employment in the electric-lamp industry,

By Bowden, Witt,.
Washington, U.S. Govt. print. off., 1933 .
v, 62p. incl. , At head of title: United States Department of labor. Frances Perkins, secretary. Bureau of labor statistics. Isador Lubin, commissioner. | Issued also as House doc. 156, 73d Cong., 2d sess. 23cm..

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The changing status of bituminous-coal miners, 1937-46 ...

By Bowden, Witt,.
Washington, D.C., U.S. Govt. print. off., 1946 .
ii, 10 p. , At head of title: United States Dept. of labor ... Bureau of labor statistics ... | "Prepared by Witt Bowden."--Letter of transmittal. | "Reprinted from the Monthly labor review, August 1946."--p. 1. 23 cm..

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