| 40 Years of Guiding in Abbeyside, 1981-2021 | Abbeyside Guides | Monograph or Collective Volume | Lettertec | 2021 |
| A Step Back in Time: On the Wild Atlantic Way | Burke, Angela | Monograph or Collective Volume | Lettertec | 2020 |
| Ballinlough, Co. Roscommon: Memoirs, Facts and Folklore from the 19th and Early 20th Century | | Monograph or Collective Volume | Lettertec | 2020 |
| Cork Society for the Prevention of Cruelty to Animals: 150 Years of Life in Cork | | Monograph or Collective Volume | Lettertec | 2020 |
| Cuimhní Oisín | | Monograph or Collective Volume | Lettertec | 2021 |
| From Dirt and Dips to Dryrobes: Bathing in Dún Laoghaire Through the Ages | O'Duffy, Eileen | Monograph or Collective Volume | Lettertec | 2021 |
| Gone but not forgotten: Historic graves of Kerry | Ó Domhnaill, Rónán Gearóid | Monograph or Collective Volume | Lettertec | 2018 |
| Green white orange : the history of the Republic of Ireland soccer shirt 1921-2021 | O'Mahony, Eddie | Monograph or Collective Volume | Lettertec Publishing | 2021 |
| Máirín de Burca : activist, feminist, socialist | Kenny, Brian | Monograph or Collective Volume | Lettertec Publishing | 2023 |
| Murder Most Local: Historic Murders of Central Cork | O'Shea, Peter | Monograph or Collective Volume | Lettertec | 2023 |
| Murder Most Local: Historic Murders of East Cork | O'Shea, Peter | Monograph or Collective Volume | Lettertec | 2020 |
| Murder Most Local: Historic Murders of Mid Cork | O'Shea, Peter | Monograph or Collective Volume | Lettertec | 2022 |
| Murder Most Local: Historic Murders of North Cork | O'Shea, Peter | Monograph or Collective Volume | Lettertec | 2019 |
| Murder Most Local: Historic Murders of South Cork | O'Shea, Peter | Monograph or Collective Volume | Lettertec | 2021 |
| Murder Most Local: Historic Murders of West Cork | O'Shea, Peter | Monograph or Collective Volume | Lettertec | 2020 |
| Peter J. Drumm First Professor of Biochemistry at University College Cork | Barrett, Ned | Monograph or Collective Volume | self-published - Lettertec | 2021 |
| Pioneers of Irish Neuroscience: A history of brain science in Ireland | | Monograph or Collective Volume | Lettertec Ireland | 2022 |
| Tales from the Debenhams Picket Line | Dowd, Fergus & O'Connell, Sue | Monograph or Collective Volume | Lettertec | 2021 |
| The Barrowhouse ambush 1921 | O'Meara-Cardiff, Nessa | Monograph or Collective Volume | Lettertec Publishing | 2022 |
| The Hegarty's of the Laurels : a story of unsung heroism | Hegarty, Jim | Monograph or Collective Volume | Lettertec | 2022 |
| The Round House O'Malleys. The power of one woman | Cantillon, Grace O'Malley | Monograph or Collective Volume | Lettertec | [2014]? |
| The townland names of County Longford | Murphy, Seán | Monograph or Collective Volume | Murphy, Seán Lettertec | 2022 |
| The Year the World Went Wonky! Memoir of a Pandemic from Cobh, on the Great Island | Horgan, Marion Rose | Monograph or Collective Volume | Lettertec | 2021 |
| Twenty Twenty: Irish Guild of Embroiders | | Monograph or Collective Volume | Lettertec | 2020 |
| Vanguard of Irish Military Music 1922-1924
The Story of Captain Thomas O'Doherty | McVeigh, Janice | Monograph or Collective Volume | Lettertec | 2021 |
| Women of the Revolution in South-East Limerick 1914-1923: Stories of 17 Women from their Military Service Pension Files | Hennessy, Angela | Monograph or Collective Volume | Lettertec | 2021 |