Release: NBER Macrohistory Database
Data Cover Overtime Hours Paid At "Punitive" Rates For All Employees On An Hourly Basis Except Train And Engine Employees And "Overtime Paid" For Train And Engine Employees (Not Indicated At What Rate). Overtime Hours Paid At "Pro-Rata Rates" Are Not Covered. This Latter Item Is The Difference Between This Series And The Number Of Hours Shown In Series (08153). Data Include Switching And Terminal Companies Until 1933. Source: Interstate Commerce Commission, Bureau Of Statistics, "Wage Statistics", Class I Railroads In The U.S.
This NBER data series m08179 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08179
National Bureau of Economic Research, Overtime Man-Hours Paid for Employees on Hourly Basis, All Employees, Excluding Train and Engine Employees at Overtime Rates Including Train and Engine Employees at Other Rates for United States [M08179USM222NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M08179USM222NNBR, October 21, 2016.