Wikipedia: List of online newspaper archives

Many lack "official" interfaces and may restrict the use of materials (see their copyrights), but those that fit the requirements can be scraped with web services like import.io or Python's Scrapy:

http://en.wikipedia.org/wiki/Wikipedia:List_of_online_newspaper_archives

(It also includes Google's scans of old newspapers.)

Wikipedia: List of online newspaper archives

Many lack "official" interfaces and may restrict the use of materials (see their copyrights), but those that fit the requirements can be scraped with web services like import.io or Python's Scrapy:

• http://en.wikipedia.org/wiki/Wikipedia:List_of_online_newspaper_archives

(It also includes Google's scans of old newspapers.)

Library of Congress: Newspaper Archives, Indexes & Morgues

The links to a few dozens of newspaper archives with full-text articles. International newspaper archives included. Mostly historical data.

• http://www.loc.gov/rr/news/oltitles.html

All Digitized Newspapers 1836-1922 by state, ethnicity, language:

• http://chroniclingamerica.loc.gov/#tab=tab_newspapers

Their API:

• http://chroniclingamerica.loc.gov/about/api/