Release: NBER Macrohistory Database
Series Is Presented Here As Three Variables--(1)--Original Data, 1855-1937 (2)--Original Data, 1918-1957 (3)--Original Data, 1949-1964. Notice That The Index For This Particular Variable Is Based On 10, Not 100. Source: Standard And Poor'S Corporation, Security Price Index Record, 1957 Edition, For 1949-1956 Data; The 1959 Supplement, For 1957-1958 Data; Current Statistics Thereafter.
This NBER data series m11005c appears on the NBER website in Chapter 11 at http://www.nber.org/databases/macrohistory/contents/chapter11.html.
NBER Indicator: m11005c
National Bureau of Economic Research, American Railroad Stock Prices, 25 Railroad Stocks for United States [M1105CUSM347NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M1105CUSM347NNBR, May 27, 2017.