Source: Computed By NBER From Report On The Labor Force
This NBER data series m08355 appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: m08355
Release: NBER Macrohistory Database
National Bureau of Economic Research, Manhours of Employed Labor Force for United States [M08355USM420SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M08355USM420SNBR/, June 3, 2015.