Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1908-1912=100, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables--(1)-- Original Data, 1904-1949 (2)--Original Data, 1938-1959. Source: Furnished Direct By Business Statistics Organization, Inc. (Formerly Babson Statistical Organization)

This NBER data series m04189a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: m04189a