Hosted by the Royal Irish Academy Library (Dublin), Irish History Online is an authoritative guide (in progress) to what has been written about Irish history from earliest times to the present. It currently contains over 77,000 bibliographic records (February 2012). Over 3,200 new entries were added to the database during 2011, while a further 11,400 existing entries were upgraded.

Coverage: Antiquity to the present

http://iho.ie/index.php