| A letter to Mr Harding the printer upon the occasion of a paragraph in his newspaper relating to Mr Wood's halfpence | Drapier, M. B. [i.e. Jonathan Swift] | Monograph or Collective Volume | | 1724 |
| A letter to the shopkeepers, tradesmen, farmers and common people of Ireland, concerning the brass half-pence coined by Mr Woods | Drapier, M. B. [i.e. Jonathan Swift] | Monograph or Collective Volume | | 1723 |
| A letter to the whole people of Ireland | Drapier, M. B. [i.e. Jonathan Swift] | Monograph or Collective Volume | | 1724 |
| Agricultural output and productivity in post-Famine Ireland | Turner, M. E. | Article in Book | | 1991 |
| Alguns aspectos do monasticismo irlandês, através da Historia ecclesiastica gentis Anglorum do Ven. Beda | Schorer, M. T. | Article in Journal | | 1954 |
| Bibliography of British history, Stuart period, 1603-1714 | | Monograph or Collective Volume | Clarendon Press | 1970 |
| Boat and ship timbers from 10th- to 13th-century Dublin : recording and interpretation | McGrail, Seán | Article in Book | NA | 1992 |
| Carragher of Skerriff, county Armagh | Carragher, M. H. R.. | Article in Journal | | 1987 |
| Catholic intellectual life in America : a historical study of persons and movements | Reher, M. M. | Monograph or Collective Volume | Macmillan | 1989 |
| Class, gender and religion : the Catholic church and the Irish poor in Victorian Liverpool | Kanya-Forstner, M. | Article in Book | | 1995 |
| Das Verhältnis von Irland zu England zwischen 1800 und 1850 : Modellfall oder Abhängigkeit? Überlegungen zur "grossen Hungersnot" (1845-1849) | Schaffner, M. | Article in Journal | | 1983 |
| Defining womanhood : Irish women and the Catholic church in Victorian Liverpool | Kanya-Forstner, M. | Article in Journal | | 1999 |
| Defining womanhood : Irish women and the Catholic church in Victorian Liverpool | Kanya-Forstner, M. | Article in Book | | 2000 |
| Die Schatzfunde Gotlands der Wikingerzeit, 2 : Fundbeschreibung und Tafeln | Stenberger, M. K. H. | Monograph or Collective Volume | | 1947 |
| Dublin University Magazine : its history, contents and bibliography | Sadleir, M. T. H. | Monograph or Collective Volume | Bibliographical Society | 1938 |
| English nobility : the gentry, the heralds and the continental context | Sayer, M. J. | Monograph or Collective Volume | | 1979 |
| Fr. Gowan and the Congregation of the Holy Faith | Bugler, M. Theodore | Article in Book | | 1997 |
| Gladstone and radicalism : the reconstruction of Liberal policy in Britain, 1885-94 | Barker, M. | Monograph or Collective Volume | NA | 1975 |
| Gluaiseacht spioradálta do ghaeilgeoirí | Ó Conchúir, M. F. | Article in Book | | 1996 |
| Historic Irish hospitals : 5, Newcastle, Co. Wicklow | Croker, M. A. | Article in Journal | | 1962 |
| Insights into fifty years of episcopal elections (1774-1824) | Bolster, M. A. | Article in Journal | | 1972 |
| Internal colonialism : the Celtic fringe in British national development, 1536-1966 | Hechter, M. | Monograph or Collective Volume | Routledge & Kegan Paul | 1975 |
| Ireland : its evils, and their remedies; being a refutation of the errors of the Emigration Committee ... | Sadler, M. T. | Monograph or Collective Volume | | 1829 |
| Irish women in the R.A.F. | Maguire, MollySinclair, M. | Article in Journal | | 2001 |
| John Condon | Roper, M. | Article in Journal | | 2001 |
| Le mot locus employé dans le sens de monastère | Dimier, M. A. | Article in Journal | | 1970 |
| Maria Edgeworth as a social novelist | Millhauser, M. | Article in Journal | | 1938 |
| Mercy in Cork, 1837-87 | Bolster, M. A. | Monograph or Collective Volume | [s.n.] | 1987 |
| Never throw away old receipts! : an elusive Cork Carmel, 1872-1884 | Bolster, M. A. | Article in Journal | | 1989 |
| Orangeism : a new historical appreciation | Brown, JohnDewar, M. W.Long, S. E. | Monograph or Collective Volume | Grand Orange Lodge of Ireland | 1967 |
| Oriental studies in Ireland, from times of St Patrick to the rise of Islam | Mansoor, M. | Article in Journal | | 1943 |
| Output and productivity in Irish agriculture from the Famine to the Great war | Turner, M. E. | Article in Journal | | 1990 |
| O’Conor Corcomroe : a bilingual history | Ó Conchúir, M. F. | Monograph or Collective Volume | The author | 1996 |
| Pigs, Green Whiskers, and Drunken Widows : Irish Nationalists and the "Practical Censorship" of McFadden's Row of Flats in 1902 and 1903 | Kibler, M. Alison | Article in Journal | | 2008 |
| Pioneer Women : Caroline Herschel, Sarah Siddons, Maria Edgeworth, Mary Somerville | Tabor, M. E. | Monograph or Collective Volume | NA | 1933 |
| Public building and colonial policy in Dublin, 1760-1800 | Fraser, M. | Article in Journal | | 1985 |
| Rank ladies, ladies of rank : the Elinore sisters in vaudeville | Kibler, M. Alison | Article in Journal | | 1997 |
| Rathmichael : a parish in the Pale | Turner, M. K. | Article in Journal | | 1979 |
| Some notes on the Burkes | R, M. | Article in Journal | | 1900 |
| Some observations on a paper, call'd the report of the committee of the most honourable the privy council in England, relating to Wood's half-pence | Drapier, M. B. [i.e. Jonathan Swift] | Monograph or Collective Volume | | 1724 |
| St. Paul's church, Bray | Turner, M. K. (Kathleen) | Article in Journal | | 1977 |
| Stair-Sheanchas sean-chríche Osraidhe go dtí A.D. 908 | Mortimer, M. Doyle (Ó Dubhghaill, Muircheartách M.) | Thesis | | 1937 |
| The archives of the diocese of Cork & Ross, Ireland | Bolster, M. A. | Article in Journal | | 1988 |
| The Bank of Ireland, 1721 : land, credit and dependency | Ryder, M. | Article in Journal | | 1982 |
| The diocese of Cork and the great western schism | Bolster, M. A. | Article in Journal | | 1966 |
| The fateful week | Gallagher, M. J. | Article in Journal | | 1966 |
| The Fenian movement | Walker, M. G. | Monograph or Collective Volume | | 1969 |
| The growth of Liverpool | Power, M. J. | Article in Book | | 1992 |
| The lost architecture of the Wexford plantation | Loeber, M. S.Loeber, Rolf | Article in Book | | 1987 |
| The navy and civil war in Ireland, 1641-3 | Baumber, M. L. | Article in Journal | | 1971 |
| The Scarva story : a souvenir of the Sham fight | Dewar, M. W. | Monograph or Collective Volume | Portadown News | 1956 |
| The stage Irishwoman | Kibler, M. Alison | Article in Journal | | 2005 |
| Thesis abstract : Bishop Thomas Lewis O’Beirne and his church-building programme in
the diocese of Meath, 1798–1823 | Gallagher, M. Caroline | Article in Journal | | 2010 |
| Úna Bhán | Ó Conchúir, M. F. | Monograph or Collective Volume | Cló Iar-Chonnachta | 1994 |
| Vegetation changes and woodland management associated with a prehistoric to medieval burnt mound complex at Ballygawley, Northern Ireland | Bailey, L.Bamforth, M.Gray, L.Mighall, T.Taylor, M.Timpany, S.Wheeler, J. | Article in Journal | | 2018 |