| A painter on Achill | Ledbetter, Gordon | Article in Journal | | 2006 |
| Alexander Williams (1846-1930) : sidelights on a Victorian painter | Ledbetter, Gordon T. | Article in Journal | | 1975 |
| Alexander Williams on Achill. Mayo's most westerly garden was created a century ago... | Ledbetter, Gordon | Article in Journal | | 2011 |
| Appealing to the hearts of men : John McCormack 1884-1945 | Ledbetter, Gordon T. | Article in Journal | | 1978 |
| Designed for enjoyment... the story of Palmerston Park, one of Dublin's lesser-known recreational spaces | Ledbetter, Gordon | Article in Journal | | 2012 |
| John McCormack : the great Irish tenor | Ledbetter, Gordon T. | Monograph or Collective Volume | Town House | 2003 |
| Privilege and poverty : the life and times of Irish painter and naturalist Alexander Williams, RHA | Ledbetter, Gordon T. | Monograph or Collective Volume | Collins Press | 2010 |