| A wooden key to open Heaven's door : lessons in practical Catholicism from St Anthony's College, Louvain | Ryan, Salvador | Article in Book | | 2009 |
| Aibidil Gaoidheilge & Caiticiosma : Seaán Ó Cearnaigh's Irish primer of religion, published in 1571 | Ó Cearnaigh, SeánÓ Cuív, Brian | Monograph or Collective Volume | Dublin Institute for Advanced Studies | 1994 |
| An old Irish catechism from Oriel | McPolin, Francis | Article in Journal | | 1947 |
| An Ossory instruction of 1773 | Ó Ferghail, Fearghus | Article in Journal | | 1994 |
| An Ossory instruction of 1773 | Burke, Thomas, O.P., bishop of Ossory, c.1709-1776
| Article in Journal | | 1994 |
| An teagasc críostaí in Éirinn, 1691-1800 | Ó Ceallaigh, Aibhistín | Article in Journal | | 1960 |
| An untraced Irish work on catechetics | Millett, Benignus | Article in Journal | | 1991 |
| Bishop Francis Hutchinson and The Church Catechism in Irish (1722) | Sneddon, Andrew | Article in Book | | 2025 |
| Bishop Young's catechism | Tynan, Michael | Article in Journal | | 1984 |
| Catechist, linguist and Parisian churchman - the life of Rev Dr Andrew Donlevy LLD | Farry, Neal | Article in Journal | | 2015 |
| Catechists in exile: an examination of seventeenth-century catechisms written on the continent for the use of Irish missions | O'Reilly, Mary | Thesis | | 1994 |
| Clár na gcaiticiosmaí Gaedhilge sa leabharlainn | | Article in Journal | | 1947 |
| Cúig teagaisg chríostaidhe de'n seachtmadh aois déag : compráid | Ó Fachtna, Anselm | Article in Book | NA | 1944 |
| Devotional literature in Gaelic Ireland in the eighteenth century | Ó Doibhlin, Diarmaid | Article in Book | | 2025 |
| Early published works in Irish and their distribution : sixteenth to eighteenth centuries | Mac Craith, Mícheál | Article in Book | | 2025 |
| Flaithrí Ó Maolchonaire's catechism of Christian doctrine | Ó Cuív, Brian | Article in Journal | | 1950 |
| Images and iconoclasts in early modern Gaelic texts | Mac Craith, Mícheál | Article in Book | | 2010 |
| Jeremiah Donovan's translation of the Roman catechism | Ó Súilleabháin, Pádraig | Article in Journal | | 1970 |
| Lucerna fidelium, leis an Ath. Proinsias Ó Maolmhuaidh | | Monograph or Collective Volume | Institute for Advanced Studies | 1962 |
| Ó aois go bás: Michéal Ó Síothcháin (1937-1945) | Ó Broin, Gréagóir | Article in Journal | | 2016 |
| Observations on the 'Doors of Death' in a medieval Irish medical catechism | Hayden, Deborah | Article in Book | | 2016 |
| Oideas Ardeaspaig | Ó Drisceoil, Proinsias | Article in Journal | | 2014 |
| Richard Archdekin's catechetical hour | Wall, Thomas | Article in Journal | | 1948 |
| Seventeenth-century Irish catechisms : European or not | O'Reilly, Mary | Article in Journal | | 1996 |
| The catechism in Ireland : a survey | Brady, John, d.1963 | Article in Journal | | 1955 |
| The catechism in Irish : Bonaventure O'Hussey, O.F.M. | Wall, Thomas | Article in Journal | | 1942 |
| The first liturgical catechism in Ireland | Hennig, John | Article in Journal | | 1949 |
| The homily on the Epiphany in the "Catechesis Cracoviensis" and the four epiphanies on Irish high crosses | Krasnodebska-D'Aughton, Malgorzata | Article in Journal | | 2003 |
| Thomas Wilson, Francis Hutchinson and Litriu na Gaeilge | Williams, N. J. A. | Article in Journal | | 1986 |
| ‘The necessary knowledge of the principles of religion' : catechisms and catechizing in Ireland, c.1560-1800 | Green, Ian | Article in Book | | 1995 |