1. NewsLibrary, the world’s largest news archive,
http://www.newslibrary.com
2. The British Library, the world’s knowledge,
http://www.bl.uk
3. Baumgart, J.: U. S. Newspaper Archives on the Web, Available at
http://www.ibiblio.org/slanews/internet/archives.html
4. NewsViews Solutions,
http://www.newsviewsolutions.com
5. ActivePaper Archive by Olive Software,
http://www.active-paper.com/ap_aparchive.html