Release: NBER Macrohistory Database
Source: Data For 1866-1910: Wheat Studies Of The Food Research Institute, Volume Ii, Number 7, 1926, Pp. 260-261. Data For 1911-1943: U.S. Department Of Agriculture, "Agricultural Statistics", 1942, 1951. Data For 1944-1952: Crop Reporting Board, "Crop Producton", Mimeographed Release Of July 1, 1952.
This NBER data series a01009 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: a01009
National Bureau of Economic Research, Wheat Crop for United States [A01009USA391NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/A01009USA391NNBR, August 18, 2017.