"Public Record Office of Ireland and Public Record Office of Northern Ireland." The Oxford Companion to Irish History. Oxford University Press. 2007. Encyclopedia.com. 11 Nov. 2009 <http://www.encyclopedia.com>.
"Public Record Office of Ireland and Public Record Office of Northern Ireland." The Oxford Companion to Irish History. Oxford University Press. 2007. Encyclopedia.com. (November 11, 2009). http://www.encyclopedia.com/doc/1O245-PblcRcrdffcfrlndndPblcRcr.html
"Public Record Office of Ireland and Public Record Office of Northern Ireland." The Oxford Companion to Irish History. Oxford University Press. 2007. Retrieved November 11, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O245-PblcRcrdffcfrlndndPblcRcr.html
