Wisconsin Legislative Reference Bureau. "Elections". The state of Wisconsin 1979-1980 Blue Book (Report). State of Wisconsin. pp. 902, 920. Retrieved 2019-02-18.
Wisconsin Legislative Reference Bureau. "Elections". The state of Wisconsin 1983-1984 Blue Book (Report). State of Wisconsin. p. 907. Retrieved 2019-02-18.
Wisconsin Legislative Reference Bureau. "Elections". The state of Wisconsin 1987-1988 Blue Book (Report). State of Wisconsin. p. 903. Retrieved 2019-02-18.