| 'All that Peter stands for' : the Romanitas of the Codex amiatinus reconsidered | O'Reilly, Jennifer | Article in Book | Oxford University Press for the British Academy | 2009 |
| A house-shaped shrine of probable Irish origin at Abbadia San Salvatore, province of Siena, Italy | Ryan, Michael | Article in Book | | 1998 |
| A late bronze age hoard from Enagh East, Co. Clare | O'Carroll, FinolaRyan, Michael | Article in Journal | | 1992 |
| A long 1923 | Ryan, Michael | Article in Book | | 2009 |
| A suggested origin for the figure representations on the Derrynaflan paten | Ryan, Michael | Article in Book | | 1987 |
| A tribute to Frank Mitchell | Ryan, Michael | Article in Journal | | 1998 |
| Aftermath : Celtic Christianity | Ryan, Michael | Article in Book | | 1990 |
| An early Christian hoard from Derrynaflan, Co. Tipperary | Ryan, Michael | Article in Journal | | 1980 |
| An investigation of the town wall at Abbey Street, Wexford | Cahill, MaryRyan, Michael | Article in Journal | | 1980 |
| Anglo-Saxon ~ Irish relations before the Vikings | | Monograph or Collective Volume | Oxford University Press for the British Academy | 2009 |
| Archaeology | Ryan, Michael | Article in Book | | 1996 |
| Barry Raftery | Ryan, Michael | Article in Journal | | 2011 |
| Beasts | Ryan, Michael | Article in Book | | 2012 |
| Bekehrung, Gesellschaft und Kunst im frühmittelalterlichen Irland | Ryan, Michael | Article in Book | | 2013 |
| Church Island : a description | Ryan, Michael | Article in Book | | 2004 |
| Decorated Irish metalwork in Bobbio, Italy | Ryan, Michael | Article in Journal | | 1991 |
| Decorated metalwork in the Muses dell Abbazia, Bobbio, Italy | Ryan, Michael | Article in Journal | | 1990 |
| Derrynaflan; ten years on 1 : the impact of the find on our heritage, 2 : Supreme Court makes new law | Ryan, Michael | Article in Journal | | 1990 |
| Early Christian metalwork : new evidence from Ireland | Ryan, Michael | Article in Book | | 1994 |
| Early Ireland : culture and treasures, | Ryan, Michael | Monograph or Collective Volume | An Post | 1991 |
| Early Irish chalices | Ryan, Michael | Article in Journal | | 1984 |
| Early Irish communion vessels : church treasures of the golden age | Ryan, Michael | Monograph or Collective Volume | Country House in association with the National Museum of Ireland | 2000 |
| Early medieval Ireland : some archaeological issues | Ryan, Michael | Article in Book | | 1996 |
| Eucharistic vessels, architecture and liturgical celebration in early medieval Ireland | Ryan, Michael | Article in Book | | 2005 |
| Fine metalworking and early Irish monasteries : the archaeological evidence | Ryan, Michael | Article in Book | | 1988 |
| Furrows and browse : some archaeological thoughts on agriculture and population in early medieval Ireland | Ryan, Michael | Article in Book | | 2000 |
| Gold aus Irland : Gold-, Silber-, und Bronzeschmuck dreier Jahrtausende | Cahill, MaryRyan, Michael, | Monograph or Collective Volume | [s.n.] | 1981 |
| Great expectations - archaeology | Ryan, Michael | Article in Book | | 2003 |
| Hollyford National School, 1891-1991 : with background history from 1800 | | Monograph or Collective Volume | Hollyford National School | 1991 |
| Ireland and Anglo-Saxon England: A sideways glance | Ryan, Michael | Article in Book | | 2017 |
| Ireland and insular art A.D. 500-1200 : proceedings of a conference at University College, Cork, 31 October - 2 November 1985 | | Monograph or Collective Volume | Royal Irish Academy | 1987 |
| Irish antiquities : essays in memory of Joseph Raftery | | Monograph or Collective Volume | Wordwell | 1998 |
| Irish archaeology illustrated | | Monograph or Collective Volume | Country House | 1994 |
| Links between Anglo-Saxon and Irish early medieval art : some evidence of metalwork | Ryan, Michael | Article in Book | | 1991 |
| Máire Delaney. November 1945 - December 2002 | Ryan, Michael | Article in Journal | | 2003 |
| Metal craftsmanship in early Ireland | Ryan, Michael | Monograph or Collective Volume | Town House & Country House | 1993 |
| Metalworking and style in the early Christian period, 7th-10th centuries A.D. | Ryan, Michael | Article in Book | | 1983 |
| Municipal dignity : a controversy in Galway, 1898 | Ryan, Michael | Article in Journal | | 1991 |
| New finds at the National Museum of Ireland | Kelly, Eamonn P.Ryan, Michael | Article in Journal | | 1987 |
| Obituary : Frank (G F) Mitchell MRIA, FRS | Ryan, Michael | Article in Journal | | 1998 |
| Obituary : Leo Swan, 1930-2001 | Ryan, Michael | Article in Journal | | 2001 |
| Obituary. Barry Raftery, 1944-2010 | Ryan, Michael | Article in Journal | | 2009 |
| Obituary. Máire Delaney (born 11 November 1945; died 23 December 2002 | Ryan, Michael | Article in Journal | | 2004 |
| Reading the Irish landscape | Mitchell, FrankRyan, Michael | Monograph or Collective Volume | Townhouse | 1998 |
| Sacred Cities? | Ryan, Michael | Article in Book | | 2007 |
| Sir William Wilde and Irish antiquities | Ryan, Michael | Article in Book | | 2003 |
| Six silver finds of the Viking period from the vicinity of Lough Ennell, Co. Westmeath | OthersRyan, MichaelÓ Floinn, Raghnall | Article in Journal | | 1984 |
| Some aspects of sequence and style in the metalwork of eighth and ninth century Ireland | Ryan, Michael | Article in Book | | 1987 |
| Ten years of early Irish metalwork | Ryan, Michael | Article in Journal | | 1994 |
| The Book of Kells and metalwork | Ryan, Michael | Article in Book | | 1994 |
| The decoration of the Donore discs | Ryan, Michael | Article in Book | | 1995 |
| The Derrynaflan and other early Irish eucharistic chalices : some speculations | Ryan, Michael | Article in Book | | 1984 |
| The Derrynaflan hoard and early Irish art | Ryan, Michael | Article in Journal | | 1997 |
| The Derrynaflan hoard, 1 : a preliminary account | | Monograph or Collective Volume | National Museum of Ireland | 1983 |
| The Description of the Cup of the Last Supper in Adomnán’s De locis sanctis and Early Irish Chalices | Ryan, Michael | Article in Book | | 2021 |
| The Donore hoard : early medieval metalwork from Moynalty, near Kells, Ireland | Ryan, Michael | Article in Journal | | 1987 |
| The early medieval Celts | Ryan, Michael | Article in Book | | 1991 |
| The formal relationships of insular early medieval eucharistic chalices | Ryan, Michael | Article in Journal | | 1990 |
| The illustrated archaeology of Ireland | | Monograph or Collective Volume | Town House & Country House | 1991 |
| The Irish horn-reliquary of Tongres/Tongeren, Belgium | Ryan, Michael | Article in Book | | 1988 |
| The Loughan brooch | Ryan, Michael | Article in Book | | 2004 |
| The menagerie of the Derrynaflan chalice | Ryan, Michael | Article in Book | | 1993 |
| The menagerie of the Derrynaflan paten | Ryan, Michael | Article in Journal | | 1995 |
| The menagerie of the Derrynaflan paten | Ryan, Michael | Article in Book | | 1997 |
| The origins of metallurgy in Atlantic Europe : proceedings of the fifth Atlantic Colloquium | | Monograph or Collective Volume | The Stationery Office | 1979 |
| The parish of Stradbally, Ballylaneen, Faha, Co. Waterford 1685-1990 | Ryan, Michael | Monograph or Collective Volume | Michael J. Ryan | 1990 |
| The Roscrea Brooch | Ryan, Michael | Article in Journal | | 1983 |
| The Sutton Hoo ship burial and Ireland : some Celtic perspectives | Ryan, Michael | Article in Book | | 1992 |
| Treasures of Ireland : Irish art 3000 B.C. - 1500 A.D. | | Monograph or Collective Volume | Royal Irish Academy | 1983 |