Series Is Presented Here As Two Variables--(1)--Original Data, 1919-1924, (2)--Original Data, 1923-1939. Data For 1919 Is Based On An Unweighted Index. Data For 1923-1939 Is Based On A Weighted Index. Source: Bureau Of Labor Statistics, Bulletin 610 For 1919-1924, And Mimeographed Report, September, 1938 For 1923.
This NBER data series m08124a appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08124a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of Factory Payrolls, Knit Goods for United States [M0824AUSM331NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0824AUSM331NNBR/, October 7, 2015.