Source: Mcgraw-Hill, Economics Department, Unpublished Table; Later Figures In Mcgraw-Hill New Orders Index, Monthly
This NBER data series m06111 appears on the NBER website in Chapter 6 at http://www.nber.org/databases/macrohistory/contents/chapter06.html.
NBER Indicator: m06111
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of New Machinery Orders For Export for United States [M06111USM350NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M06111USM350NNBR/, July 4, 2015.