Series Is Presented Here As Two Variables--(1)--Original Data, 1939-1945 (2)--Seasonally Adjusted Data, 1946-1966. The Data Represent Gross National Product In Current Dollars Minus "Statistical Discrepancy" Source: Survey Of Current Business, August 1965 And Subsequent Issues.
This NBER data series q08280b appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: q08280b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Gross National Product, Income Estimates for United States [Q0880BUSQ027SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/Q0880BUSQ027SNBR/, July 3, 2015.