| 'Facing the sun' | Cooney, GabrielO'Sullivan, MuirisPrendergast, FrankWilliams, Ken | Article in Journal | | 2017 |
| 'Seir kieran : place, pilgrimage, and tradition in the monastic midlands | Mandal, StephenO'Sullivan, MuirisRogers, Michael 'Bodhi'Shine, Denis | Article in Journal | | 2018 |
| A platform to the past - Knockroe passage tomb | O'Sullivan, Muiris | Article in Journal | | 1996 |
| A stylistic revolution in the megalithic art of the Boyne valley | O'Sullivan, Muiris | Article in Journal | | 1989 |
| Approaches to passage tomb art | O'Sullivan, Muiris | Article in Journal | | 1986 |
| Archaeological alignments - stone rows | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2011 |
| Assembly sites in medieval Ireland. Ths contribution... reviews what is known about the assembly sites of Gaelic Ireland during medieval times | Downay, LiamO'Sullivan, Muiris | Article in Journal | | 2022 |
| Beyond the gap : Knockroe passage tomb and the people of the slate quarries | O'Sullivan, Muiris | Article in Book | | 2003 |
| Booley huts | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2003 |
| Burial barrows | Downey, LiamO'Sullivan, Muiris, | Article in Journal | | 2012 |
| Butter-Making | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2018 |
| Cheese-making | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2018 |
| Children's burial grounds (...the characteristic features of 'cillín' burial sites, widely used as children's burial grounds in post-medieval Ireland) | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2013 |
| Coast watch - WW2 | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2013 |
| Coastal boat-landing features | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2018 |
| Coastal promontory forts | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2004 |
| Coastguard stations (...the notable services provided by the coastguards and ...the archaeological features associated with coastguard stations) | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2013 |
| Corn-drying kilns | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2005 |
| Court tombs | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2019 |
| Crannogs | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2005 |
| Currachs. ...earlier currach types and the emergence of paddling and rowing forms | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2015 |
| Duma na nGiall = the mound of the hostages, Tara | O'Sullivan, Muiris | Monograph or Collective Volume | Wordwell & UCD, School of Archaeology | 2005 |
| Early churches - agriculture and food | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2017 |
| Early ecclesiastical sites in Ireland | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2020 |
| Early historic routeways | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2015 |
| Early Lighthouses | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2014 |
| Fieldscapes - Anglo-Norman footprints | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2007 |
| Fulacht fiadh | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2004 |
| Gaelic games | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2017 |
| Henges | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2012 |
| Hiberno-romanesque churches | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2020 |
| Hilltop forts and enclosures.(...the possible function, typology and dating of hillforts, as well as their closely related smaller counterparts, hilltop enclosures) | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2013 |
| Historical food products | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2016 |
| Ice houses | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2023 |
| Individual burial in the Irish Neolithic | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2019 |
| Knockroe and the neolithic settlement of Munster | O'Sullivan, Muiris | Article in Journal | | 1996 |
| Knockroe passage tomb - a frontier monument | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2021 |
| Lime kilns | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2005 |
| Logboats | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2014 |
| Lone standing stones. | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2020 |
| Martello & signal towers | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2012 |
| Mass Rocks and related sites | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2014 |
| Medieval churches | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2017 |
| Medieval deserted settlements | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2016 |
| Megalithic art in Ireland | O'Sullivan, Muiris | Monograph or Collective Volume | Town House & Country House | 1993 |
| Monasterboice and Mellifont: why are they different? | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2021 |
| Monuments have lives. This contribution... explores how the history of monuments is represented in conservation projects | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2022 |
| Mottes | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2007 |
| Ogham Stones | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2014 |
| Passage tombs and wind turbines - a contested relationship. Considering the impact of wind turbines on our archaeological landscapes | O'Sullivan, MuirisPrendergast, Frank | Article in Journal | | 2022 |
| Post-medieval marginal farming | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2018 |
| Poteen. This contribution to Know Your Monuments series outlines the history of poteen distillation in Ireland | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2021 |
| Prehistoric field boundaries | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2004 |
| R. A. S. Macalister | O'Sullivan, Muiris | Article in Book | Four Courts | 2012 |
| Recent investigations at Knockroe passage tomb | O'Sullivan, Muiris | Article in Journal | | 1993 |
| Ringforts | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2007 |
| Rock art and the Kerry-Galicia connection | O'Sullivan, Muiris | Article in Journal | | 2011 |
| Salt-making and food preservation | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2016 |
| Seaweed and kelp | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2010 |
| Souterrains | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2004 |
| Spirals, lozenges and a 'Christmas tree'.An introduction to the megalithic art of the Dowth Hall passage tomb | Corns, AnthonyNí Lionáin, ClíodhnaO'Sullivan, MuirisShaew, RobWilliams, Ken | Article in Journal | | 2022 |
| Stone circles | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2011 |
| Sugar-refining | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2017 |
| Summit cairns | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2011 |
| Tales from the trenches at Tara | O'Sullivan, Muiris | Article in Journal | | 2010 |
| Tara : from the past to the future : towards a new research agenda | | Monograph or Collective Volume | Wordwell | 2013 |
| The archaeological imprint of agricultural drainage systems: part 1 Traditional drains and ditches | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2010 |
| The archaeological imprint of agriculturl drainage systems Part 2 early modern drains | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2010 |
| The eastern tomb at Knockroe | O'Sullivan, Muiris | Article in Journal | | 1995 |
| The life and legacy of R.A.S. Macalister : a century of archaeology at UCD | O'Sullivan, Muiris | Article in Book | | 2009 |
| The potato in Ireland. This contribution... outlines the introduction of the potato in the 1500s, and charts its adoption and emergence in the general diet over the following centuries | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2022 |
| The survival of archaeological monuments : trends and attitudes | Kennedy, LaurenceO'Sullivan, Muiris | Article in Journal | | 1998 |
| Tracing our ancient ancestors | Bradley, Daniel G.O'Sullivan, Muiris | Article in Journal | | 1997 |
| Turf-harvesting | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2016 |
| Windmills. [The authors] review the functionality of windmills, which were a prominent feature of the rural economy in the post-medieval period | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2015 |