Release: NBER Macrohistory Database
Data From July 1930-1932 Were Computed By NBER From The Source. Source: Computed By The National Industrial Conference Board From Data In Icc "Wage Statistics."
This NBER data series m08035 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08035
National Bureau of Economic Research, Average Hours of Work Per Week, Class I Railroad Employees, Skilled and Semi-Skilled Shop Workers for United States [M08035USM065NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M08035USM065NNBR, February 22, 2018.