Chronicling America: Historic American Newspapers
A Library of Congress website providing access to information about historic American newspapers and select digitized newspaper pages. This site also includes the Newspaper Title Directory, which lists newspapers published in the United States since 1690, and can help researchers identify what titles exist for a specific place and time and where to access them (which libraries have those titles).
Link to resource:
Chronicling America: Historic American Newspapers
Coverage Dates: 1836-1922
Fulltext available: Primary Sources (Historical)