Data Computed By Dividing Frb Index Of Production Of Manufactures By Bls Index Of Manhours (Both On 1957-1959=100 Base). Source: U.S. Bureau Of Labor Statistics And Federal Reserve Board.
This NBER data series m01310 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: m01310
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of Output Per Manhour, All Employees, Manufacturing, Total for United States [M01310USM350NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M01310USM350NNBR/, September 4, 2015.