Chronicling America (Historic American Newspapers) (Library of Congress)A collection of digitized historic American newspapers, 1789-1963.
Freely available.
Also has "U.S. Newspaper Directory 1690 to present": a list of all known newspapers, their publishing histories, library locations and holdings. Select "
Help" for information about the newspaper collection and for Search Tips. Select "
Recommended Topics" for examples of interesting searches.
The University of Delaware Library has scanned selected newspapers and added them to Chronicling America. See the
Delaware list.