Series Is Presented Here As Two Variables--(1)--Original Data, 1920-1942 (2)--Original Data, 1932-1956. This Series' Industry Coverage Is Roughly Comparable To The Bls One. It Can Be Extended Through July 1948, When Nicb Discontinued Its Compilation Of Payroll Statistics (See The Management Record, October 1948, P. 504). Source: National Industrial Conference Board: For 1920-1936, "Wages, Hours, And Employment In The United States, 1914-1936" (Nicb Studies No. 229, 1936); For 1937, Supplement To Nicb Service Letter, June 1938; For 1938-1941, Nicb Economic Record, March 28, 1940 And Following Issues; For 1942, Nicb Management Record.
This NBER data series m08198a appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08198a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Average Actual Hours of Work Per Week, Leather Tanning and Finishing for United States [M0898AUSM065NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0898AUSM065NNBR/, December 1, 2015.