Release: NBER Macrohistory Database
Source: For 1919-1930 Data, Bureau Of Labor Statistics Bulletin 610 Pp.72-73, 105; For 1931-34 Data, Bureau Of Labor Statistics Mimeographed Release September, 1938, "Revised Index Numbers Of Factory Employment And Payrolls"; For 1935-1939 Data, Bureau Of Labor Statistics Mimeographed Release, May 1940; For 1940-1941 Data, Bureau Of Labor Statistics "Employment And Payrolls"; Thereafter, Monthly Labor Review.
This NBER data series m08113 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08113
National Bureau of Economic Research, Index of Factory Payrolls, Flour for United States [M08113USM331NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M08113USM331NNBR, December 16, 2017.