The site provides links to the FREE web sites of hundreds of U.S. and non-U.S. newspapers, U.S. radio stations, and U.S. television stations.
This resource is particularly good for finding articles or news stories on smaller perhaps privately owned companies that have appeared in the regional, local or business newspapers.
I have not checked all or even most of the papers available, but many of have back files that I have checked go back to mid 1996 or earlier.
Open Access
http://newslink.org/