Below are links to websites with collections of 19th century newspapers. See the right column for more info about this website.
Great Lakes History Periodicals: Newspapers
The Ancestor Hunt – United States Online Historical Newspaper Links
Kenneth R. Marks, who created this website, made a page for each U.S. State with links to vintage online newspapers, indicating which are free of charge. There are also pages for:
-Jewish American Newspapers
For more online collections of U.S. historical newspapers, see: Section 071.1 United States in Newspapers: Free Online Collections
Chronicling America: Historic American Newspapers
Washington: Library of Congress
This Library of Congress directory of U.S. Newspapers lists a huge number of past newspapers, when and where they were published, and where they can be found now. Part of the newspapers are digitized on this site.
Google News Archive
Google offers archived copies of numerous U.S. newspapers arranged alphabetically. Late-19th century issues are available online for many of these, and a few newspapers offer mid-19th century issues.
Great Lakes History Periodicals
Historical Newspapers Online
University of Pennsylvania
This Penn Library site is a collection of links to archived online U.S. newspapers, grouped by state.