| A grave-slab associated with the high cross at Durrow | De Paor, Liam | Article in Book | | 1998 |
| Catholic emancipation | Nowlan, Kevin B. | Article in Book | NA | 1986 |
| Cormac's Chapel : the beginnings of Irish romanesque | De Paor, Liam | Article in Book | | 1967 |
| Cultural pluralism | De Paor, Liam | Article in Journal | | 1978 |
| Cultural traditions | De Paor, Liam | Article in Journal | | 1972 |
| Dáithí an tinteáin | De Paor, Liam | Article in Book | | 1994 |
| Divided Ulster | De Paor, Liam | Monograph or Collective Volume | Penguin | 1970 |
| Early Christian Ireland | De Paor, LiamDe Paor, Máire | Monograph or Collective Volume | Thames & Hudson | 1958 |
| Eighteenth and nineteenth-century Ireland | De Paor, Liam | Article in Book | | 1987 |
| Excavations at Mellifont abbey, Co. Louth | De Paor, Liam | Article in Journal | | 1969 |
| Great books of Ireland | De Paor, Liam | Monograph or Collective Volume | Clonmore & Reynolds | 1967 |
| Inis Cealtra : report on archaeological and other investigations of the monuments on the island | De Paor, Liam | Monograph or Collective Volume | Privately printed | 1997 |
| Inis Cealtra: archaeological investigations of the monuments on the island | De Paor, Liam | Article in Journal | | 2013 |
| Ireland and early Europe : essays and occasional writings on art and culture | De Paor, Liam | Monograph or Collective Volume | Four Courts | 1997 |
| Ireland and England - a turning point? | De Paor, Liam | Article in Book | | 1986 |
| Irish ecclesiastical architecture, with some notice of similar or related work in England, Scotland and elsewhere | Champneys, ArthurDe Paor, Liam | Monograph or Collective Volume | Irish University Press | 1970 |
| Landscapes with figures : people, culture and art in Ireland and the modern world | De Paor, Liam | Monograph or Collective Volume | Four Courts | 1998 |
| Milestones in Irish history | | Monograph or Collective Volume | Mercier Press in collaboration with Radio Telefís Éireann | 1986 |
| Oidhreacht 1798 | De Paor, Liam | Article in Book | | 1998 |
| Portrait of Ireland : Ireland past and present | De Paor, Liam | Monograph or Collective Volume | Rainbow Press | 1985 |
| Saint Mac Creiche of Liscannor | De Paor, Liam | Article in Journal | | 1979 |
| Saint Patrick's world : the Christian culture of Ireland's apostolic age | De Paor, Liam | Monograph or Collective Volume | Four Courts and the University of Notre Dame Press | 1993 |
| Séadchomharthaí Chuilmchille | De Paor, Liam | Article in Journal | | 1963 |
| St Caimin's, Inis Cealtra : reconstruction of the doorway | De Paor, LiamGlenn, Deirdre | Article in Journal | | 1995 |
| St Patrick's world : the Christian culture of Ireland's apostolic age | De Paor, Liam | Monograph or Collective Volume | [s.n.] | 1993 |
| St. Caimin’s, Inis Cealtra. Reconstruction of the doorway | De Paor, LiamGlenn, Deirdre | Article in Journal | | 1995 |
| The age of the Viking wars (9th and 10th centuries) | De Paor, Liam | Article in Book | | 1967 |
| The aggrandisement of Armagh | De Paor, Liam | Article in Book | | 1971 |
| The coming of Christianity | De Paor, Liam | Article in Book | | 1986 |
| The Derrynavlan hoard | De Paor, Liam | Article in Journal | | 1980 |
| The Easter Proclamation 1916 : A comparative analysis | de Paor, Liam | Monograph or Collective Volume | Four Courts Press in association with the Irish Labour Party | 2016 |
| The ecclesiastical architecture of Ireland anterior to the Anglo-Norman invasion, comprising an essay on the origin and uses of the round towers of Ireland | De Paor, LiamPetrie, George | Monograph or Collective Volume | [s.n.] | 1970 |
| The high crosses of Tech Theille (Tihilly), Kinnity, and related sculpture | De Paor, Liam | Article in Book | | 1987 |
| The history of the monastic site of Inis Cealtra, Co. Clare | De Paor, Liam | Article in Journal | | 1996 |
| The peoples of Ireland : from prehistory to modern times | De Paor, Liam | Monograph or Collective Volume | Hutchinson | 1986 |
| The rebel Mind : republican and loyalist | De Paor, Liam | Article in Book | | 1985 |
| The Viking towns of Ireland | De Paor, Liam | Article in Book | | 1976 |
| The world of the Book of Kells | De Paor, Liam | Article in Book | | 1997 |
| Tom Moore and contemporary Ireland | De Paor, Liam | Monograph or Collective Volume | Irish Traditional Music Society, University College Cork | 1989 |
| Unfinished business : Ireland today and tomorrow | De Paor, Liam | Monograph or Collective Volume | Radius | 1990 |
| Viking Dublin | De Paor, Liam | Article in Journal | | 1978 |