Series Is Presented Here As Two Variables--(1)--Original Data, 1920-1948 (2)--Original Data, 1932-1959. Source: For June, 1920 To June, 1936, National Industrial Conference Board Study, "Wages, Hours, And Employment In The United States, 1914-1936 (No.229); For July, 1936 To December, 1937, Supplement To Conference Board Service Letter, June, 1938; For 1938 To September, 1941, Conference Board Economic Record, March 28, 1940 And Following Issues; For October, 1941 To 1948, Conference Board Management Record.
This NBER data series m08202a appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08202a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Average Hourly Earnings, Meat Packing for United States [M0802AUSM265NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0802AUSM265NNBR/, October 6, 2015.