Source: Bureau Of Census; The Latter Is Derived From Wage And Salary Disbursements In Manufacturing (Component Of Personal Income Seasonally Adjusted), And Federal Reserve Board "Index Of Manufacturing Production."
This NBER data series m09105 appears on the NBER website in Chapter 9 at http://www.nber.org/databases/macrohistory/contents/chapter09.html.
NBER Indicator: m09105
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of Ratio: Wholesale Prices of Manufactured Goods To Wage and Salary Cost Per Unit of Output for United States [M09105USM350NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M09105USM350NNBR/, November 26, 2015.