Source for Popular Vote data: Wisconsin Secretary of State. Wisconsin Blue Book, 1917, Wisconsin Secretary of State (http://digicoll.library.wisc.edu/cgi-bin/WI/WI-idx?type=turn&id=WI.WIBlueBk1917&entity=WI.WIBlueBk1917.p0294&isize=XL) (accessed 17 May 2010)