| 100 years of the G.A.A. in Laois : centenary handbook | Fennelly, Teddy | Monograph or Collective Volume | Leinster Express Newspapers | 1984 |
| A battle royal for Maryborough in first county council elections | Fennelly, Teddy | Article in Journal | | 2004 |
| A joint German-Irish flight into aviation history | Fennelly, Teddy | Article in Journal | | 2008 |
| A triumph of co-operation over adversity : The history of Donaghmore Co-operative Creamery Ltd. | Fennelly, Teddy | Monograph or Collective Volume | Arderin | 2003 |
| Arthur Jacob (1790-1874) Laoisman who became internationally acclaimed eye surgeon pioneer | Fennelly, Teddy | Article in Journal | | 2010 |
| Col. James FItzmaurice - Ireland's greatest aviator. | Fennelly, Teddy | Article in Journal | | 2019 |
| Colonel Ned Despard, the Irishman hanged in London for high treason in 1803 - Traitor or Martyr? | Fennelly, Teddy | Article in Journal | | 2022 |
| David and William Jacob - the last of the famous medical family in Portlaoise | Fennelly, Teddy | Article in Journal | | 2010 |
| Dr John Edmund Jacobs (1805-1864) - eminent physician and father of modern mental health care | Fennelly, Teddy | Article in Journal | | 2008 |
| Glimpse of Portlaoise : a pictorial parade | | Monograph or Collective Volume | Leinster Express Newspapers | 1993 |
| Jacob brothers' intervention saves life of man wrongly convicted | Fennelly, Teddy | Article in Journal | | 2010 |
| Joe Dowling - the man in the U-boat - a forgotten hero in Ireland's fight for independence | Fennelly, Teddy | Article in Journal | | 2016 |
| John Canon O'Hanlon : the man and his legacy | Fennelly, Teddy | Monograph or Collective Volume | Arderin Publishing Company | 2005 |
| John Jacob (1754-1827) - founder of the Queen's County Infirmary | Fennelly, Teddy | Article in Journal | | 2006 |
| Laois County Council : the first 100 years | Brennan, LouisFennelly, TeddyHeskin, Ann MarieKennedy, John | Monograph or Collective Volume | Laois County Council | 1999 |
| Laois lives | | Monograph or Collective Volume | Leinster Express Newspapers | 1991 |
| Leinster Express ‘big wind’ story blown off the pages by Offaly murder | Fennelly, Teddy | Monograph or Collective Volume | | 2023 |
| Miracle rescue of Portlaoise couple from Lusitania sinking in 1915 | Fennelly, Teddy
| Article in Journal | | 2014 |
| One hundred years of G.A.A., Laois centenary yearbook | Fennelly, Teddy | Monograph or Collective Volume | Leinster Express Newspapers | 1984 |
| Shedding light on Mosse mysteries | Fennelly, Teddy | Article in Journal | | 2008 |
| The devastating cholera outbreak of 1832 | Fennelly, Teddy | Article in Journal | | 2014 |
| The Local Government (Ireland) Act 1898 - Tory inspired legislation that ended the power and privileges of the landlords | Fennelly, Teddy | Article in Journal | | 2003 |
| The William Mosse enigma | Fennelly, Teddy | Article in Journal | | 2004 |
| Thomas Prior - the Rathdowney man with an social conscience who founded the RDS | Fennelly, Teddy | Article in Journal | | 2016 |
| Thomas Prior : his life, times and legacy | Fennelly, Teddy | Monograph or Collective Volume | Arderin | 2001 |