This online resource provides free access to historic Cambridge (Boston USA) newspapers and is a project of the Cambridge Public Library Archives and Special Collections.
This collection contains 6,346 issues comprising 59,070 pages, and 669,406 articles. Newspapers include the Cambridge Chronicle (1846-1923), the Cambridge Press (1887-1889), the Cambridge Sentinel (1903-1912), and the Cambridge Tribune (1887-1923).
This collection also contains 40,634 subject cards and 13,099 obituary cards that index Cambridge newspapers published between 1950 and 2008.
http://cambridge.dlconsulting.com
This collection contains 72,729 issues comprising 603,681 pages and 6,876,356 articles. 1846-2012
The California Digital Newspaper Collection is a project of the Center for Bibliographical Studies and Research (CBSR) at the University of California, Riverside.
http://cdnc.ucr.edu/cgi-bin/cdnc
Lists some Canadian and US newspapers available to search online. Also lists where newspaper archives are held in Canada.
http://www.theancestorhunt.com
A table provides a list of historical U.S. newspapers that are available online at no cost. Links to websites.
http://gethelp.library.upenn.edu/guides/hist/onlinenewspapers.html
