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	1.	Technological changes and employment in the United States Postal Service ... December, 1932. by Bowden, Witt, 1886- United States. Bureau of Labor Statistics Series: Bulletin of the United States Bureau of Labor Statistics ; 574 \| Employment and unemployment series Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, U.S. Govt. Print. Off., 1932 Availability: No items available. Add to cart (remove)
	2.	Technological changes and employment in the electric-lamp industry, by Witt Bowden. by Bowden, Witt, 1886- United States. Bureau of Labor Statistics Series: Bulletin of the United States Bureau of labor statistics, no. 593. Employment and unemployment series Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, U.S. Govt. print. off., 1933 Availability: No items available. Add to cart (remove)
	3.	The changing status of bituminous-coal miners, 1937-46 ... by Bowden, Witt, 1886- Series: U.S. Bureau of labor statistics. Bulletin ; no. 882 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, D.C., U.S. Govt. print. off., [1946] Availability: No items available. Add to cart (remove)

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