Philadelphia: WPA National Research Project; Bureau of Labor Statistics, 1939. 22p., stapled wraps, 7x10 inches, very good condition. National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques. Studies in changing labor productivity. [Report no. B-6]. More
Cat.No: 131585
Philadelphia: WPA, 1939. 22p., stapled wraps, ex-library with rubberstamp on front cover else good condition. National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques. Studies in changing labor productivity. [Report no. B-6]. Reprinted from Monthly Labor Review. More
Cat.No: 136744
Washington: GPO, 1937. 26p., stapled wraps, 7x10 inches, wraps edgeworn and beginning to split along spine, ex-library with rubberstamp and pencil notation on cover. From the Monthly Labor Review August, 1937 issue. More
Cat.No: 125608
Philadelphia: Works Progress Administration / National Research Projects / Bureau of Labor Statistics, Department of Labor, 1938. 36p., stapled wraps, 7x10 inches, wraps lightly worn with a few small rust stains else very good condition. Studies in changing labor productivity, report no. B-3. More
Cat.No: 48370
