AncestryLibrary has past newspapers available for searching.
ECSCOhost Regional Business News - Academic libraries that have access to Business Source® Complete will also receive access to Regional Business News™. Regional Business News provides full text for more than 80 regional US and Canadian business publications (including titles from Crain Communications).
MasterFILE Complete from EBSCOhost - MasterFILE Complete offers the largest collection of popular full-text magazines, reference books and other highly-regarded sources from the world's leading publishers. It provides full text periodicals and more than 70,000 videos from the Associated Press.
Newspaper Source Plus - Newspaper Source Plus provides a full-text digital collection of the world's major news content. It includes millions of articles from newspapers, newswires and news magazines, and television and radio transcripts and ongoing daily updates from popular news sources.
Chronicling America - Huge free database of archived U.S. newspapers from the Library of Congress.