Prices Are For Choice California Oranges, Until July, 1942, When They Are Quoted For Average Grade, California Oranges. Beginning In July, 1935, Average Wholesale Prices Of Individual Commodities Are Published Semiannually Instead Of Monthly. Source: Bls Bulletin Nos. 269, 296, 335, 367, 415, 440, 473, 493, 521, 543, 572, And Monthly Issues Of "Wholesale Prices."
This NBER data series m04038 appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04038
Release: NBER Macrohistory Database
National Bureau of Economic Research, Wholesale Price of Oranges for Chicago, IL [M04038US16980M235NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M04038US16980M235NNBR/, July 30, 2015.