Cyrus Hall McCormick - Short biography of the industrialist and inventor. - http://www.wisconsinhistory.org/libraryarchives/ihc/cyrus.asp
McCormick Farm - Memorial celebrating the invention of the first mechanical reaper, including a biography and visitor information, a comprehensive history of grain harvesting methods before and after the reaper. - http://www.vaes.vt.edu/steeles/mccormick/mccormick.html