Series Is Presented Here As Two Variables--(1)--Original Data, 1853-1888 (2)--Original Data, 1888-1934. 1853-1856 Data Were Computed By NBER By Averaging The Highs And Lows Of The Daily Quotations Throughout The Month. Data From The Statistical Abstract Of The United Kingdom Are Given Directly And Are "Averages For The Month." Source: Gentleman'S Magazine, Monthly, For 1853-1856 Data; For 1857- 1888 Data, See The Statistical Abstract Of The United Kingdom.
This NBER data series m11017a appears on the NBER website in Chapter 11 at http://www.nber.org/databases/macrohistory/contents/chapter11.html.
NBER Indicator: m11017a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Consolidated Stock Prices, Three Per Cent Stocks for Great Britain [M1117AGBM522NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M1117AGBM522NNBR/, August 4, 2015.