Newspaper Search on Chronicling America from the LOC

What free newspapers are available for Genealogy?
Take a look at the Library of Congress' Chronicling America Website
http://chroniclingamerica.loc.gov/newspapers/
This list will show you what newspapers have been digitized as well as the dates of the newspapers.
The newspapers are listed by state.
I did not see any newspapers digitized for Wisconsin?
I viewer on this website is easy to use even on a small screen.  You can use the mouse wheel to zoom.
The search results are highlighted in pink in a full page thumbnail of the newspaper image.