It contains abstracts from American and foreign journals on all aspects of U.S. and Canadian history from the prehistoric period to the present. Access to special collection details of more than 4,400 repositories includes records with complete detailed indexes for approximately 100,000 individual collections. Archives USA is also the most up to date source for address information on specific archival and manuscript repositories. The Historical Index to The New York Times is an electronic index to articles published in The New York Times . Includes long runs of backfiles of scholarly journals.
Every article is indexed.
The first place to start for a search of Internet sites for U. S. History. Particularly useful for tracking down sites with primary sources.