| "Interesting remains at Lemenagh" | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1987 |
| A 1570 list of castles in county Clare | Breen, Martin | Article in Journal | | 1995 |
| An Chabhail Mhór | Breen, MartinUa Cróinín, Ristéard | Article in Journal | | 2019 |
| An interesting plaque at Dysert Parish Church | Breen, Martin | Article in Journal | | 2018 |
| Ballycullen Castle | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1988 |
| Ballymarkahan Castle: a MacNamara residence of the medieval period | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2018 |
| Castlefergus, or Ballyhannon Castle - a living stronghold | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2014 |
| Clenagh Castle | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1989 |
| Cloghanaboy Castle - a lost stronghold of Clareabbey Parish | Breen, MartinUa Cróinín, Ristéard | Article in Journal | | 2024 |
| Craggaunowen Castle | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2015 |
| Dating, distribution, classification and development of some County Clare towerhouses | Breen, Martin | Article in Book | | 2021 |
| Disappearing towers | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1990 |
| Dysart O'Dea castle, Co. Clare | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1985 |
| Jane's castle sketches | Breen, MartinRowe, Veronica | Article in Journal | | 2014 |
| Knappogue Castle - stronghold of the MacNamara Fionn - chieftains of the ancient district of West Clan Cuiléin in Co. Clare | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2016 |
| Mount Ievers, or Ballyarilla Castle | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2017 |
| Securing Rosroe Castle into the future | Breen, Martin | Article in Journal | | 2019 |
| Some Atlantic tower houses | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1995 |
| Some castles and towerhouses of south-east county Clare | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2011 |
| Some island castles of county Clare|The island castles of county Clare - concluded | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2010 |
| Some MacNamara towerhouses in South East Clare | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 2007 |
| Some more towerhouses in east Clare | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 2004 |
| Some north-west Clare tower houses | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1997 |
| Some obscure tower house sites in the Corofin area | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1994 |
| Some recently located towerhouse sites | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 2000 |
| Some restored towerhouses in the Burren area of Co. Clare | Breen, Martin | Article in Journal | | 2002 |
| Some Thomond 'Escapees' - the survival of a volume of Thomond Manuscripts, recently located and returned to Ireland from the USA [with index] | Breen, Martin | Article in Journal | | 2024 |
| Some tower houses in east Clare | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1999 |
| Some tower houses in the vicinity of Ennis | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1998 |
| Some tower houses with bawns in the Burren | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1996 |
| Some towerhouses in the Newmarket-on-Fergus area | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 2006 |
| Some towerhouses of East Corca Bhaiscinn and the Shannon Estuary [Parts I-II] | Breen, MartinUa Cróinín, Risteárd | Article in Journal | | 2013 |
| The 1626 rental of Thomond property | Breen, Martin | Article in Journal | | 2013 |
| The 1626 rental of Thomond property | Breen, Martin | Article in Journal | | 2014 |
| The early castles at Dromoland: Some historical notes | Breen, MartinUa Cróinín, Ristéard | Article in Journal | | 2019 |
| The Edenvale castle survey of Co. Clare 1671-79 | Breen, MartinUa Cróinin, RisteárdÓ Dálaigh, Brian | Article in Journal | | 2005 |
| The finding of prehistoric stone artifacts in the Doolin area | Breen, Martin | Article in Journal | | 1993 |
| The Great Chimneypiece of Danganbrack Castle and Ballykilty Manor | Breen, Martin
| Article in Journal | | 2024 |
| The hidden towers | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1992 |
| The history of Bunratty Castle | Breen, Martin | Monograph or Collective Volume | [The author] | 2012 |
| The MacNamara family of Knappogue & Moyreisk: Portraits from Baunkyle House, Corofin, Co. Clare | Breen, Martin | Article in Journal | | 2017 |
| The three Cratloes | Breen, MartinUa Cróinin, Risteárd | Article in Journal | | 1991 |
| Towerhouses of the North Burren coast | Breen, Martin,Ua Cróinín, Risteard | Article in Journal | | 2008 |