Series Is Presented Here As Two Variables--(1)--Original Data, 1919-1942 (2)--Original Data, 1947-1954. Source: For 1919-1930 Data, Bureau Of Labor Statistics Bulletin 610, "Revise "Revised Indexes Of Factory Employment And Payrolls: 1919-1933"; For 1931-1934 Data, Bureau Of Labor Statistics Mimeographed Tables On Revised Indexes Of Factory Employment And Payrolls, September, 1938; For 1935-1939 Data, The Same Tables But Published In May, 1940; Thereafter, "Employment And Payrolls" And Monthly Labor Review.
This NBER data series m08114a appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08114a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of Factory Payrolls, Tobacco Manufactures for United States [M0814DUSM331NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0814DUSM331NNBR/, October 4, 2015.