Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Index 1913=100, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables--(1)--Original Data, 1914-1936 (2)--Original Data, 1933-1944. Source: Albert S. Richey, Moody'S Manual Of Investments, "Public Utilities", 1924, P. Iv; 1934, P. A37; And Following Issues.

This NBER data series m08064a appears on the NBER website in Chapter 8 at http://www.nber.org/databases/macrohistory/contents/chapter08.html.

NBER Indicator: m08064a