Series Is Presented Here As Two Variables--(1)-- Original Data, 1935-1952 (2)--Original Data, 1946-1969. Figures Are Monthly Averages. Figures For October-December, 1949 Are Derived From Daily Quotations In Bls Bulletin No. 1007, Wholesale Prices: 1949. October, 1952, Is The Last Monthly Average Available; For 22 Commodities' Index On 1957-1959 Average Base, See The Next Variable. Source: Bls Mimeographed Release Ls 44-2297 And Ls 47-2297: Index Numbers Of 28 Basic Commodities, Spot Market Prices, Through 1947; Weekly Releases Thereafter.
This NBER data series m04195a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04195a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of Spot Market Prices of 28 Commodities for United States [M0495AUSM346NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0495AUSM346NNBR/, August 5, 2015.