Series Is Presented Here As Two Variables--(1)--Original Data, 1871-1956 (2)--Original Data, 1949-1968 For A More Complete Description Of This Series, See Business Cycle Indicators, Vol.Ii, G.H. Moore, NBER, P.24. Source: Standard And Poor'S Corporation'S Security Price Index Record, 1955, And Current Statistics, January, 1957.
This NBER data series m11025a appears on the NBER website in Chapter 11 at http://www.nber.org/databases/macrohistory/contents/chapter11.html.
NBER Indicator: m11025a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of All Common Stock Prices, Cowles Commission and Standard and Poor's Corporation for United States [M1125AUSM343NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M1125AUSM343NNBR/, July 31, 2015.