Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Dollars per Pound, Not Seasonally Adjusted

Frequency:  Monthly

Series Has Been Subdivided Into Three Variables: (1)-- Original Data, 1913-1932; (2)-- Original Data, 1932-1937; (3)-- Original Data, 1937-1939. Data Refers To Daily Averages Of Quotations, Mill To Connecter As Quoted From The Trade Association. Source: Bls Files, Bulletins, And "Wholesale Prices"

This NBER data series m04151b appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.

NBER Indicator: m04151b