Series Is Presented Here As Two Variables--(1)--Seasonally Adjusted Data, 1921-1939 (2)--Seasonally Adjusted Data, 1947-1965 For Annual Revisions, See Survey Of Current Business, July, 1968 And Subsequent July Issues. For Quarterly Data, Also See Survey Of Current Business Monthly Issues. Source: Survey Of Current Business, For 1947-1962: August 1965 Issue; For 1963-1965: July 1968 And Subsequent Issues. Alternate Sources: For 1947-1963, The National Income And Product Accounts Of The United States; For 1929-1965, Supplement To Survey Of Current Business, August 1966.
This NBER data series q08296b appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.
NBER Indicator: q08296b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Gross National Product In Constant Dollars for United States [Q0896BUSQ008SNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/Q0896BUSQ008SNBR/, July 29, 2015.