Release: NBER Macrohistory Database
Source: Computed By The National Industrial Conference Board From Data In Icc "Wage Statistics."
This NBER data series m08036 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08036
National Bureau of Economic Research, Average Hours of Work Per Week, Class I Railroad Employees, Train and Engine Service for United States [M08036USM065NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M08036USM065NNBR, March 29, 2017.