Prices Are Those Of The 15Th Of Every Month. Average Per Unit Production Payments Made On Butterfat, Milk, Beef Cattle, Sheep, And Lambs Are Included For Period October, 1943- June, 1946, Inclusive. In 1952, Revision Of Weights, Based On Average 1953-1957 Marketings And Prices, Was Used To Extend Index Back To, And Link It To The Earlier Index, In September, 1952 (See Agricultural Economics Research, Vol. Xi, Nos. 2 And 3, 1959). Source: This Series Is Described In A.G. Silverman, "Monthly Index Numbers Of British Export And Import Prices, 1880-1913" In Review Of Economic Statistics, Vol. Xii, 3, 1930.
This NBER data series m04060a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04060a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Index of Prices Received By Farmers, All Groups for United States [M0460AUSM319NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0460AUSM319NNBR/, June 30, 2015.