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.
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
A major resource of biographical and bibliographical information on 4500 Irish writers with extracts and commentaries of their works.