Release: NBER Macrohistory Database
Source: 1884-1913:"Journal Of The Royal Statistical Society", Vol. 56, P.221 And Following Issues; 1914-1935: "The Statist", Monthly Issues
This NBER data series m04067 appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04067
National Bureau of Economic Research, Wholesale Price Index of Minerals for Great Britain [M04067GBM312NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M04067GBM312NNBR, January 23, 2018.