Wiggert listed as Socialist Labor candidate and Wilkinson as Socialist Workers candidate at following source:
http://www.ourcampaigns.com/RaceDetail.html?RaceID=261815
Source for Popular Vote data: Wisconsin Legislative Reference Bureau. The State of Wisconsin Blue Book 1970, Wisconsin Legislative Reference Bureau (http://images.library.wisc.edu/WI/EFacs/WIBlueBks/BlueBks/WIBlueBk1970/reference/wi.wibluebk1970.i0015.pdf) (accessed 20 Mar 2013)