| "Murder most foul - a sequel" | Lennon, Gerard | Article in Journal | | 1993 |
| "Murder most foul" further information | Lennon, Gerard | Article in Journal | | 1994 |
| Ann Morrison - from Downpatrick to Australia | Lennon, Gerard | Article in Journal | | 1991 |
| From Ballyquintin to Buffalo, Boston and beyond | Lennon, Gerard | Article in Journal | | 1998 |
| John Kirk - a prisoner of the crown. A case study | Lennon, Gerard | Article in Journal | | 1990 |
| Notes on a townland : Tieveshilly | Lennon, GerardMason, Mary Agnes | Article in Journal | | 1979 |
| Prisoners in Down county gaol | Lennon, Gerard | Article in Journal | | 1992 |
| The townland of Ballyquinton, part 3 | Lennon, GerardMason, M. A. | Article in Journal | | 1985 |
| The townland of Tullycarnan. Part 2 | Lennon, GerardMason, M. A. | Article in Journal | | 1983 |
| The townlands of Ballyquintin and Tullycernan | Lennon, GerardMason, M. A. | Article in Journal | | 1981 |
| The townlands of the Upper Ards | Lennon, Gerard | Article in Journal | | 1978 |
| Trades and occupations of Portaferry in the mid-19th century | Lennon, Gerard | Article in Journal | | 1977 |