Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1923-1925=100, Not Seasonally Adjusted

Frequency:  Annual

Series Is Presented Here As Two Variables--(1)--Original Data, 1863-1930 (2)--Original Data, 1920-1939. Source: Federal Reserve Board, Federal Reserve Bulletin, August 1940, P. 807.

This NBER data series a01007b appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: a01007b