Prices Are Those Of The 15Th Of Each Month. Source: Bureau Of Agricultural Economics. Agricultural Prices, May 15, 1955, Supplement No. 1, P.39, For 1910-September, 1952; Agricultural Prices, Annual Summary, 1964 And 1965 Issues, For October, 1952-December, 1962; Supplement No. 1 To May 1966 Agricultural Prices For January, 1963-April, 1966; Agricultural Prices, Monthly Issues Thereafter.
This NBER data series m04059 appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04059
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of Farm Prices of Crops for United States [M04059USM323NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M04059USM323NNBR/, October 7, 2015.