| A letter from Robert Hay, 1820 | Sweetman, William | Article in Journal | | 2004 |
| A selection from the Hay correspondence | Sweetman, William | Article in Journal | | 2003 |
| A Wexford ship-builder | Sweetman, William | Article in Journal | | 1978 |
| Brothers Divided | Sweetman, William | Monograph or Collective Volume | The Pike Press | 2019 |
| County Wexford trials of 1798 | Sweetman, William | Monograph or Collective Volume | The Pike Press | 2013 |
| Edward Hay | Sweetman, William | Article in Journal | | 1984 |
| Jeremiah Fitzhenry : 'a chief who knew how to command' | Sweetman, William | Article in Journal | | 1998 |
| Michael Hayes - 1798 convict. Part I-II | Sweetman, William | Article in Journal | | 2013 |
| Supplement to County Wexford trials of 1798 | Sweetman, William | Monograph or Collective Volume | The Pike Press | 2021 |