Source: Federal Reserve Bank Of St. Louis, Review Of June 1967, And Federal Budget Trends, August 14, 1968 And Subsequent Quarterly Issues. This NBER data series q15018 appears on the NBER website in Chapter 15 at http://www.nber.org/databases/macrohistory/contents/chapter15.html. NBER Indicator: q15018
Source: U.S. Bureau Of The Census, Business Cycle Developments, October 1967 And March 1968 This NBER data series q15034 appears on the NBER website in Chapter 15 at http://www.nber.org/databases/macrohistory/contents/chapter15.html. NBER Indicator: q15034
Source: U.S. Department Of Commerce, Survey Of Current Business, August 1965 And Following Monthly Issues This NBER data series q15035 appears on the NBER website in Chapter 15 at http://www.nber.org/databases/macrohistory/contents/chapter15.html. NBER Indicator: q15035