Correspondence relating to Fr Luke Wadding OFM and the Irish Friars Minor at St. Isidore’s College, Rome, on ecclesiastical and political matters; and concerning his interests as historian of the Franciscan Order.

The Irish Virtual Research Library and Archive (IVRLA) is a digitisation project launched in UCD in January 2005. The project was conceived as a means to increase and facilitate access to UCD's cultural heritage repositories through the adoption of digitisation technologies.

Letters from correspondents primarily in the British Isles, but also from North America and the Middle East, encompassing a wide range of antiquarian concerns including archaeological finds, anatomy, sigillography, topography, numismatics, and Frazer's collection of autographs and prints.

Correspondence relating to O'Curry's work with the Ordnance Survey and the Royal Irish Academy and general correspondence on antiquarian, genealogical, linguistic and literary matters; correspondence as Professor of Archaeology and Ancient Irish History in the Catholic University, mainly concerning his academic and research interests; some personal correspondence, and personal financial and family documents.

A selection of manuscript material from the Irish Dialect Archive (Cartlann na gCanúintí) of the School of Irish, Celtic Studies, Irish Folklore and Linguistics at UCD.

Correspondence between John O'Donovan (1809-1861), and, principally, William Reeves (1815-1892): eighty letters (1832-1860) and twenty-six undated note fragments.

This collection consists largely of letters from Roger Casement to Captain Hans Boehm, during Casement's stay in Germany in 1915, as well as some associated material (photographs, medals) relating to his first contact with the German authorities in November and December 1914 and the formation of the Irish Brigade in 1915.

A collection of papers belonging to Fr. Francis A. Gleeson relating to his time as Catholic Military Chaplain to the 2nd Battalion Royal Munster Fusiliers during World War I. The papers include diaries detailing life at the front and religious activities, Brigade Rolls listing mainly Roman Catholic soldiers, and correspondence from the families of men missing or killed in action.

[Notes, pencil sketches, correspondence and plans relating to County Kerry.]

[Correspondence between Françoise Henry and Cork Public Museum. Notes on stone carvings, County Cork.]

[Copy letter from Séan Ó Dálaigh (Dún Chuinn) to an unidentified recipient.]

[Fragmentary remonstrance to the exiled court at St Germain-en-Laye with an appended copy of a letter 18th September 1707.]

[Endorsed declaration on the rule to be observed at St Anthony's College, by Archbishop Flaithrí Ó Maoil Chonaire OFM, Madrid, with seal, 13th February 1613.]

[Letter of Fr Valentine Browne OFM to Fr Hugh de Burgo OFM, Dublin, with seal, 29th August 1641.]

[Copy of a letter written after the death of Pope Alexander VIII, Rome, 4th April 1692.]

[Notes, correspondence and sketches relating to goldsmith techniques on a variety of objects.]

[Letter from Marion Gunn (Seomra C215, Áras J. H. Newman, An Coláiste Ollscoile, Baile Átha Cliath 4) to Fionnuala Duane (4 Richmond House, Richmond Hill, Monkstown, Blackrock, Co. Dublin), enquiring about letters written by Seán Ó Dálaigh to Duane's father.]

[Letter from S. S. Henderson to [the Irish Folklore Commission], returning the 'enclosed' and informing the recipient of her husband's death.]

[Letter from Tomás de Bhaldraithe to Miss Fionnuala Duane (4 Richmond House, Richmond Hill, Monkstown, Blackrock, Co. Dublin), giving an initial opinion on the Ó Dálaigh manuscript.]

[Letter from Fionnuala Duane (23 Eaton Square, Monkstown, Blackrock, Co. Dublin) to Professor [Tomás de Bhaldraithe], discussing a recent book by de Bhaldraithe; and informing him of letters written by Seán Ó Dálaigh to her father.]

[Portion of letter of Fr John de Burgo OFM, with seal, 16th February 1710.]

[Endorsed copy of the attestation of priests and brothers of the Irish Franciscan province on behalf of Fr James Darcy OFM, 23rd August 1684.]

[Copy of letter of Fr James McDavitt OFM, former minister provincial to the guardian of St Anthony's College, Leuven, 1781.]

[Petition for the division of the Franciscan province of Ireland, Buttevant, 24th January 1672, signed by Franciscan superiors.]