* {{cite book | last=Janik | first=Erika | title=A Short History of Wisconsin | publisher=Wisconsin Historical Society | publication-place=Madison, WI | date=2010-07-08 | isbn=978-0-87020-440-1}}
<ref name="y620">{{cite book | last=Janik | first=Erika | title=A Short History of Wisconsin | publisher=Wisconsin Historical Society | publication-place=Madison, WI | date=2010-07-08 | isbn=978-0-87020-440-1 | page=}}</ref>