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Adams, Jesse.Improvement in Cotton-Cultivator.,
patent,
August 13, 1867;
[Washington D.C.].
(texashistory.unt.edu/ark:/67531/metapth165134/:
accessed April 21, 2018),
University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu;
crediting UNT Libraries Government Documents Department.