Act of Settlement (Irish) - 1662 act passed by the Irish Parliament to bring in Protestant settlers in Munster, Leinster, and Ulster. Article in the Catholic Encyclopedia. - http://www.newadvent.org/cathen/01112a.htm
1913 Catholic Encyclopedia: Ireland - Article about the geography, history, early Christian period, society and religion. - http://www.newadvent.org/cathen/08098b.htm
The Catholic Association - Article on this pivotal group from the Peel Web. Aimed at school age students. - http://www.dialspace.dial.pipex.com/town/terrace/adw03/peel/ireland/cathass.htm