Release: NBER Macrohistory Database
Series Is Presented Here As Two Variables--(1)-- Original Data, 1891-1919 (2)--Original Data, 1919-1927. From May Through November, 1922 Coke Was Excluded Owing To The High Price Resulting From The Coal Strike. The Conversion Factor Is 3.075 Times The 1919 Index Equals The 1890-1899 Index. Source: Review Of Economic Statistics, Harvard Economic Service
This NBER data series m04050b appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04050b
National Bureau of Economic Research, Price Index of Business Cycles for United States [M04G0BUSM326NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M04G0BUSM326NNBR, January 20, 2019.