This site by Tom Tryniski offers free access to, and searches of, 50,000,000+ scanned newspaper pages from United States and Canada. Coverage includes New York State, Minnesota, Kentucky, Washington and Pennsylvania plus others. You can browse the pages that are organized into folders labelled by location and year or you can keyword search with the digitised page available online with your search term highlighted.
You can browse the newspapers alphabetically by title using this link. New