Simpson, William Frederick2016-02-012016-02-011925http://hdl.handle.net/10919/64761no abstract provided by author49 leavesapplication/pdfenCreative Commons Public Domain Mark 1.0LD5655.V855 1925.S567Soybean -- Harvesting -- Economic aspectsSoybean -- SeedsAn economic study of the methods of harvesting soybeans for seedThesis