Libraries / Online Catalogues
Thesaurus Linguae Hibernicae
An online research and teaching tool for Early and Medieval Irish studies.
CAIN (Conflict Archive on the Internet) Project
This site contains information and source material on the Troubles and politics in Northern Ireland from 1968 to the present.

National Archives of Ireland
The National Archives of Ireland holds a wide variety of records, many of which are relevant to Irish genealogy and local history. 

Linen Hall Library
The oldest library in Belfast, Linen Hall is renowned for its unparalleled Irish and Local Studies Collection, ranging from comprehensive holdings of Early Belfast and Ulster printed books to the 250,000 items in the NI Political Collection.
The National Library of Ireland
The mission of the Library is to collect, preserve and make available books, manuscripts and illustrative material of Irish interest. 
The Irish National Archive Server
The Higher Education Authority is the statutory planning and development body for higher education and research in Ireland.

Irish Books in Print  
An online bibliographic resource for Irish related titles.
Irish Resources in the Humanities
Contains substantial content in the various disciplines of the humanities in the area of Irish Studies.
Princess Grace Irish Library
Associations & Programs
The Canadian Association of Irish Studies
American Society of Irish Medieval Studies
American Institute for Irish Archaeology
British Association for Irish Studies
European Federation of Associations & Centres of Irish Studies
Catholic University of American--Irish Studies
CUNY  Institute for Irish-American Studies, Lehman College
IASIL: International Association for the Study of Irish Literature
NAASWCH: The North American Association for the Study of Welsh Culture and History
The American Irish Historical Association
New York Irish History Roundtable
Society for the Study of Nineteenth-Century Ireland
IACI: The Irish American Cultural Institute
Women on Ireland Research Network
Dalarna University Centre for Irish Studies, Sweden (DUCIS)
Díseart- Institute of Education and Celtic Culture
Glucksman Ireland House, NYU
Institute for British-Irish Studies, University College Dublin
Institute of Irish Studies, University of Liverpool
Institute of Irish Studies, Queen's University Belfast