Series Is Presented Here As Two Variables--(1)--Original Data, 1852-1891 (2)--Original Data, 1885-1938. Data Exclude The Isle Of Man And The Channel Islands. Source: Food Reseratrch Institute, Wheat Studies, Vol. Ix, No. 7 (April 1933), P. 268; Vol. X, No. 7 (May 1934), P. 278.
This NBER data series a01010b appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: a01010b
Release: NBER Macrohistory Database
National Bureau of Economic Research, Wheat Crop for United Kingdom [A0110BGBA393NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A0110BGBA393NNBR/, December 1, 2015.