Release: NBER Macrohistory Database
Series Is Presented Here As Two Variables--(1)-- Original Data, 1935-1949 (2)--Original Data, 1946-1968. Through 1949 The Data Repesent Averages Of 4 Or 5 Quotations A Month; Thereafter, They Are Daily Quotations. For 1946-1947 The Averages Have Been Derived From The Source (See Above) With Indexes Having Only 1 Decimal; All Published Averages, However, Are Based On Indexes Carried To Two Decimal Places. Source: Bls Table (Unpublished): Daily Spot Market Price Index, Raw Industrials: 1956 And Earlier, " (December, 1962), And Similar Table Dated October, 1962 For 1957-September, 1962. Thereafter: "Daily Spot Market Price Indexes And Prices, " Weekly Bls Release. Averages Also In Survey Of Current Business.
This NBER data series m04201b appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04201b
National Bureau of Economic Research, Index of Spot Market Prices of 13 Raw Industrial Commodities for United States [M0401BUSM350NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/M0401BUSM350NNBR, September 28, 2016.