- 1727
- Aindrias Mac Cruitín
A copy of the Annals of Clonmacnoise, written by Tadhg Ó Dálaigh.
- 1685
- Tadhg Ó Dálaigh
A copy of the Félire Óengusso from the Leabhar Breac, with an English translation by Eugene O'Curry.
- s. xix
A transcript of Eugene O’Curry’s copy of O’Mellan’s report of events between 1641 and 1647; with an English translation by Robert MacAdam. The translation was also copied into Dublin, Trinity College, MS 1138.
- s. xix
- William Reeves
Manuscript from the collection of William Reeves containing an index to O’Flahery’s Ogygia.
- s. xix
Manuscript from the collection of bishop William Reeves, containing material relating to Latin and Irish Lives of St Brigit: (1) transcript of a manuscript then in the possession of Thomas W. Carson [BL, MS Additional 34124, containing Vita prima sanctae Brigidae] and (2) O’Curry’s translation of the Irish Life of St Brigit from the Leabhar Beac.
- s. xix
Manuscript from the collection of bishop William Reeves, containing material relating to St Patrick: (1) the Tripartite Life from Whtiley Stokes’ transcript of the Egerton 93 copy, with translation by John O’Donovan, collated with the text of Rawl. B 512; (2) Irish Life from the Leabhar Breac, with translation by John O’Donovan.
- s. xix
Manuscript from the collection of bishop William Reeves, containing a translation of the Annals of Ulster (based on O’Conor’s edition), extracted from the Ulster Journal of Archaeology, with some notes up to AD 601.
- s. xix2
Manuscript from the collection of bishop William Reeves, containing a portfolio of Robert MacAdam’s translation of Ó Mealláin’s journal. Cf. TCD MS 1071.
- s. xix
Copy of the Annals of the Four Masters, in three volumes (2242 BC-1172 AD), written in the hand of Muiris Ó Gormáin.
- s. xviii
- Muiris Ó Gormáin
Manuscript containing the so-called Dublin Annals of Inisfallen, AD 250-1320.
- 1765
- Seán Ó Conaire [ob. 1773]
Irish manuscript in the hand of Mícheál Ó Longáin, containing history and verse relating to the Dál Cais based on the ‘old Book of Munster in the possession of Donnell O'Sullivan [in Glenn O'Ruachtan]’.
- 1762
- Mícheál mac Peadair Ó Longáin
A manuscript of the Annals of Ulster (AD 431-1489) in the hand of Ruaidhrí Ó Luinín as well as a pre-Palladian set of annals, the first part of which is lost.
- s. xvi
- Ruaidhrí Ó Luinín, Ruaidhrí Ó Caiside [archdeacon of Clogher]
The manuscript consists of two parts which are separately paged: (1) the 17th-century compllation of the Lebor gabála Érenn and (2) a transcription from an earlier book by Seán mac Muiris Ó Maoilchonaire (John son of Maurice O'Mulconry).
- s. xviii
- Aodh Ó Dálaigh
Irish manuscript written by Aodh Ó Dálaigh, who gives the date of writing as 1746. At the beginning, the material is said to have been transcribed from a manuscript written by Seán mac Muiris Ó Maoil Chonaire, perhaps referring to Egerton 1782, with which it contains much in common and to which Ó Dálaigh is known to have had access. The final part contains a portion of the Dinnshenchas Érenn copied from (a fragment of) the Book of the White Earl.
- c.1746
- Aodh Ó Dálaigh
- s. xvii
- Dáibhí Ó Bruadair
Irish manuscript of Caithréim Thoirdhealbhaigh, in 3 vols (438 pages), in the hand of Muiris Ó Gormáin; incl. pedigrees and poems relating to the Uí Bhriain.
- s. xviii
- Muiris Ó Gormáin
Manuscript of the Annals of the Four Masters covering the period 2242 BC-1171 AD, in 2 volumes numbering 1023 pages in total. It was written in the mid-1730s for John Fergus by Aodh Ó Maolmhuaidh (Hugh O'Molloy), who worked from the autograph manuscript then in the posession of Charles O'Conor.
- 1734-1735
- Aodh Ó Maolmhuaidh
Manuscript of the Annals of the Four Masters covering the period AD 1335-1608, mainly in the hand of Conaire Ó Cléirigh (Mícheál’s brother).
- s. xvii
- Conaire Ó Cléirigh
Copy (27 ff.) of Sanas Cormaic, written by Dubhaltach Mac Fhir Bhisigh; followed by O'Mulconry's glossary.
- s. xvii
- Dubhaltach Mac Fhir Bhisigh
- c. 1473
- Seanchán mac Maoil Mhuire Ó Maoil Chonaire
Letter written by the antiquarian Tadhg Ó Rodaighe (Tadhg/Thaddaeus O'Roddy) of Crossfield (Co. Leitrim) in 1700.
- 1700
- Tadhg Ó Rodaighe
Irish manuscript compilation of material from Dinnshenchas Érenn, written by the scribe Seaán Ó Cianáin (John O’Keenan) at Ard Choill (Ardkyle, Co. Clare).
- s. xvi
- Seaán Ó Cianán
Manuscript copy of Geoffrey Keating’s Foras feasa ar Éirinn, written by one Maurice O'Connor. This copy includes the synchronisms leading up to the time of Ruaidhrí Ó Conchobhair in the 12th century.
- c. 1700
- Maurice O'Connor [fl. c. 1700]
Transcript, by Eugene O'Curry, of two legal glossaries from TCD 1317.
- 1812
- Eugene O'Curry