| A bishop of the penal times : being letters and reports of John Brenan, bishop of Waterford (1671-93) and archbishop of Cashel (1677-93) | | Monograph or Collective Volume | Cork UP | 1932 |
| A previously unnoticed letter of Oliver Plunkett | | Article in Journal | | 1975 |
| Accusations of Oliver Plunkett | Mooney, Canice | Article in Journal | | 1956 |
| An appeal of the Ulster Franciscans against Blessed Oliver Plunket | Jennings, Brendan | Article in Journal | | 1956 |
| An unpublished letter of St Oliver Plunkett | | Article in Journal | | 1975 |
| Archbishop Oliver Plunkett : Ireland's first canonized martyr | Curtayne, Alice | Article in Journal | | 1976 |
| Blessed Oliver and the Benedictines | Phillipson, Wulstan | Article in Book | | 1937 |
| Blessed Oliver Plunket | O'Connor, R. F. | Article in Journal | | 1924 |
| Blessed Oliver Plunket | MacLeod, Catriona | Article in Journal | | 1939 |
| Blessed Oliver Plunket and the Popish Plot in Ireland | Walker, Breifne | Article in Journal | | 1968 |
| Blessed Oliver Plunket. Historical studies | Anonymous | Monograph or Collective Volume | | 1937 |
| Blessed Oliver Plunkett | Curtis, Emmanuel | Monograph or Collective Volume | Clonmore & Reynolds | 1963 |
| Blessed Oliver Plunkett : historical studies | Various authors | Monograph or Collective Volume | Gill | 1937 |
| Blessed Oliver Plunkett and his Irish Jesuit schools | Corcoran, Timothy Joseph, 1872-1943 | Article in Journal | | 1941 |
| Blessed Oliver Plunkett and the tories | Mac Phóil, Donnchadha | Article in Journal | | 1959 |
| Blessed Oliver Plunkett in Down and Connor | Smyth, J. | Article in Journal | | 1937 |
| Blessed Oliver Plunkett's report on the diocese of Armagh, 1670 | | Article in Journal | | 1959 |
| Blessed Oliver's relics at Goodings | Francis, Agnes | Article in Journal | | 1969 |
| Chronicle. Events to mark the 350th anniversary of Str Oliver Plunkett as Archbishop of Armagh | | Article in Journal | | 2019 |
| Chronicle. Events to mark the 350th anniversary of Str Oliver Plunkett as Archbishop of Armagh | | Article in Journal | | 2019 |
| Cromwell and Plunkett : two early modern heads called Oliver | Tarlow, Sarah | Article in Book | | 2013 |
| Death comes to the archbishop | Dempsey, Anthony | Article in Journal | | 1939 |
| Edmund Murphy, Oliver Plunkett and the Popish Plot | Gibney, John, 1976- | Article in Journal | | 2004 |
| Heraldry in St Peter's R.C. Church, West Street, Drogheda | Bellew, Séamus | Article in Journal | | 2014 |
| History of Drogheda up to date | Hughes, Anne | Monograph or Collective Volume | Old Drogheda Society | 2003 |
| Jesuit Finances in Restoration Ireland: a relational network analysis | Foerster, Martin
| Article in Journal | | 2021 |
| Life of Blessed Oliver Plunkett, archbishop of Armagh (1625-1681) | Stokes, John F. B. | Monograph or Collective Volume | Catholic Truth Society | 1954 |
| Memoir of the Most Rev. Oliver Plunket, archbishop of Armagh, and Primate of all Ireland, who suffered death for the Catholic faith in the year 1681 | | Monograph or Collective Volume | | 1861 |
| Memoir of the Most Rev. Oliver Plunkett, archbishop of Armagh | Plunkett, Oliver, bishop and saint, 1625-1681
| Monograph or Collective Volume | [s.n.] | 1895 |
| New light on the family of Blessed Oliver Plunkett | Moran, Anne | Article in Journal | | 1959 |
| Oilibhéar Pluincéid | Ó Fiaich, Tomás | Monograph or Collective Volume | Foilseacháin Ábhair Spioradálta | 1976 |
| Olibhéar Naomhtha Pluincéid | Ó Ciarghusa, S. | Article in Journal | | 1939 |
| Oliver : the story of the martyred archbishop of Armagh written for boys and girls | Gaffney, H. M. | Monograph or Collective Volume | Gill | 1946 |
| Oliver Plunket and the Popish Plot | Brady, John, d.1963 | Article in Journal | | 1958 |
| Oliver Plunkett, 1 : Ireland's new saint | Ó Fiaich, Tomás | Monograph or Collective Volume | Veritas | 1975 |
| Oliver Plunkett, 2 : In his own words | Forristal, Desmond | Monograph or Collective Volume | Veritas | 1975 |
| Oliver Plunkett, Francis Mac Donnell, O.F.M., and the mission to the Hebrides | Giblin, Cathaldus | Article in Journal | | 1975 |
| Oliver Plunkett, part I : Ireland's new saint; part II : in his own words | Forristal, DesmondÓ Fiaich, Tomás | Monograph or Collective Volume | Our Sunday Visitor by arrangement with Veritas Publications (Dublin) | 1975 |
| Saint Oliver of Armagh : the life of St Oliver Plunkett | Ó Fiaich, Tomás | Monograph or Collective Volume | Veritas | 1981 |
| Saint Oliver Plunkett | Meagher, John | Monograph or Collective Volume | Irish Messenger Publications | 1977 |
| Saint Oliver Plunkett 1625-1681 | Hanly, John J. | Article in Book | | 2001 |
| Saint Oliver Plunkett : journey to sainthood | Burns, Tommy | Monograph or Collective Volume | The author | 2014 |
| Saint Oliver Plunkett and Downside | Murphy, Martin | Monograph or Collective Volume | Downside Abbey | 1975 |
| Saint Oliver Plunkett and the diocese of Raphoe | Ó Fiaich, Tomás | Article in Journal | | 1975 |
| St Oliver Plunkett, Francis Macdonnell, O.F.M., and the mission to the Hebrides | Giblin, Cathaldus | Article in Journal | | 1974 |
| St. Oliver Plunkett : Deo Gratias | Burns, Thomas | Monograph or Collective Volume | Tommy Burns | 2000 |
| The ancestry of St. Oliver Plunket : a genealogical puzzle | Barnwell, S. B. | Article in Journal | | 1977 |
| The appointment of blessed Oliver Plunket to Armagh | Ó Fiaich, Tomás | Article in Journal | | 1958 |
| The arrest of Oliver Plunkett | Brady, John, d.1963 | Article in Journal | | 1954 |
| The clergy of Blessed Oliver Plunkett | Mac Phóil, Donnchadha | Article in Journal | | 1959 |
| The clergy of Oliver Plunkett | Mac Phóil, Donnchadha | Article in Journal | | 1984 |
| The clergy of Oliver Plunkett | Mac Phóil, Donnchadha ; Campbell, P. J. | Article in Journal | | 1986 |
| The clergy of Oliver Plunkett [part 5] | Campbell, Patrick J.Mac Phóil, Donnchadha | Article in Journal | | 1986 |
| The kin of Blessed Oliver Plunkett | Brady, J. | Article in Journal | | 1945 |
| The last speech of Blessed Oliver Plunket | | Article in Journal | | 1947 |
| The letters of Oliver Plunkett, 1625-81, archbishop of Armagh and primate of all Ireland | Hanly, JohnPlunkett, Oliver, bishop and saint, 1625-1681 | Monograph or Collective Volume | Dolmen Press | 1979 |
| The letters of Saint Oliver Plunkett, 1625-1681 : Archbishop of Armagh and Primate of all Ireland | | Monograph or Collective Volume | | 1979 |
| The letters of Saint Oliver Plunkett, 1625-1681, Archbishop of Armagh and Primate of All Ireland | | Monograph or Collective Volume | | 1979 |
| The letters of St. Oliver Plunkett | | Monograph or Collective Volume | Dolmen Press | 1979 |
| The persecuted primate | Ó Meachair, Liam S. | Article in Journal | | 1957 |
| The place of Oliver Plunket in history | Edwards, R. W. D. (Robert Walter Dudley) | Article in Book | | 1937 |
| The priesthood of St Oliver | Ó Fiaich, Tomás | Article in Journal | | 1975 |
| The seventeenth century Reliquary of St Oliver Plunkett at the Siena Convent, Drogheda | Bellew, Séamus | Article in Journal | | 2011 |
| The trial of Oliver Plunkett | Curtayne, Alice | Monograph or Collective Volume | Sheed & Ward | 1953 |
| The trial of Oliver Plunkett | Curtayne, Alice | Article in Journal | | 1954 |
| Who succeeded Blessed Oliver Plunkett? | Ó Fiaich, Tomás | Article in Journal | | 1956 |
| Who will be Ireland's next canonised saint? : a study of Blessed Oliver Plunkett | Bastible, J. | Article in Journal | | 1939 |
| Why was Oliver Plunket arrested? | Brady, John, d.1963 | Article in Journal | | 1955 |