The Library of Congress is testing a new site (beta) the makes many historical newspapers available on line. This searchable database includes about ninety-five (95) newspapers from around the country. Chronicling America currently allows visitors to view newspaper pages from 1880-1910 in California, District of Columbia, Florida, Kentucky, Minnesota, Nebraska, New York, Texas, Utah, and Virginia. The site also provides information about American newspapers published between 1690-present.
Check it out at: www.loc.gov/chroniclingamerica/index.html.