| 'The inevitable conflict' : essays on the civil war in county Limerick | NA | Monograph or Collective Volume | Limerick City and County Library | 2022 |
| Eugene Hoade : Jerusalem’s turbulent Irish priest, 1928-56 | Gannon, Seán William | Article in Journal | | 2019 |
| Eugene Hoade: Jerusalem's turbulent Irish priest, 1928-56.
One of the hundreds of Irishmen who pursued careers in colonial Palestine | Gannon, Seán William | Article in Journal | | 2019 |
| Irish policemen in the Palestine Mandate, 1922-48 | Gannon, Seán William | Thesis | | 2014 |
| Limerick After the Civil War, 1923-1930: a documentary history | Gannon, Seán William Hughes, Brian | Monograph or Collective Volume | Limerick City and County Council | 2024 |
| Southern Irish loyalists and imperial service | Gannon, Seán William | Article in Book | | 2020 |
| The Irish Imperial Service: Policing Palestine and Administering the Empire, 1922–1966 | Gannon, Seán William | Monograph or Collective Volume | Palgrave Macmillan | 2019 |