Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Thousands of Employees, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Data For 1921-1932 Includes Switch And Terminal Companies; Data Thereafter Excludes These Groups. Source: Interstate Commerce Commission, Bureau Of Statistics, Wage Statistics

This NBER data series m08151 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.

NBER Indicator: m08151