| An index to the Rev. William Carrigan's The history and antiquities of the diocese of Ossory : compiled by Helen Litton in association with the Canon Carrigan Centenary Committee of the Diocese of Ossory | | Monograph or Collective Volume | Diocese of Ossory | 2005 |
| Canon Carrigan (1860-1924) : his life and legacy of his writing | Ó Fearghail, Feargus | Article in Book | | 2000 |
| Canon Corrigan : achievement and challenge | Ó Ferghail, Fearghus | Article in Book | | 1997 |
| Canon William Carrigan: Staraí Osraí | Ó Fearghail, Fearghus | Article in Book | | 2005 |
| Sloinnteoir an Chorragánaigh | Ó hÓgáin, Eamonn | Article in Journal | | 2001 |
| The history and antiquities of the diocese of Ossory. 1:Introduction and Extent, Deaneries, Bishops, Chapter and Colleges of the diocese of Ossory; 2 : Northern Deanery of Ossory Diocese; 3 : The Middle Deanery, including the Cathedral City of the Diocese of Ossory; 4 : The Southern Deanery of the Diocese of Ossory. 4 vols. | Carrigan, William, 1860-1924 | Monograph or Collective Volume | | 1905 |
| The suppression of the Carrigan Report : a historical perspective on child abuse | Kennedy, Finola | Article in Book | | 2012 |
| William Canon Carrigan, 1860-1924 | Phelan, Margaret M. | Article in Journal | | 1976 |