Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1867-1887=100, Not Seasonally Adjusted

Frequency:  Monthly

Source: Journal Of The Royal Statistical Society, Vol. 56, P. 221; And "The Statist": February 1913 - July 1914, January 15, 1921, P. 89; January 16, 1926, P. 87; And Following Issues.

This NBER data series m04062 appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: m04062