Source: J. Shiskin At NBER, Table 5, January 29,1965
This NBER data series m16009 appears on the NBER website in Chapter 16 at http://www.nber.org/databases/macrohistory/contents/chapter16.html.
NBER Indicator: m16009
Release: NBER Macrohistory Database
National Bureau of Economic Research, Adjusted Rates of Change of Composite Index of Four Sensitive Roughly Coincident Series for United States [M16009USM156SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M16009USM156SNBR/, August 4, 2015.