Series Is Presented Here As Two Variables--(1)--Original Data, 1836-1918 (2)--Original Data, 1907-1934. Source Calls Data "Total Beets Harvested". Data Are For Fiscal Years Ending July 31, Or August 31. Source: U.S. Beet Sugar Association, "Concerning Sugar", Pg. L2.
This NBER data series a01024a appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: a01024a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Sugar Beets, Processed Into Beet Sugar for Germany [A0124ADEA601NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A0124ADEA601NNBR/, November 26, 2015.