Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1910-1914=100, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Three Variables-- (1)--Original Data, 1850-1894 (2)--Original Data, 1890-1914 (3)-- Original Data, 1913-1968. Source: G.F. Warren And F.A. Pearson, "Prices" Pp. 12-13

This NBER data series m04048a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: m04048a