| An gorta agus an Ghaeilge | de Fréine, Seán | Article in Book | NA | 1995 |
| An Inglis i gCruachás | de Fréine, Seán | Article in Journal | | 1986 |
| Ireland : the great little answer book | O'Donnell, Jim ; de Fréine, Seán | Monograph or Collective Volume | Torc | 1994 |
| Leabhar Átagraf ó 1916 a aimsíodh ar na mallaibh | de Fréine, Seán | Article in Journal | | 1986 |
| Mar a caomhnaíodh oidhreacht Lochlannach Eabhraic | de Fréine, Seán | Article in Journal | | 1986 |
| Ó Chalainn an Chlampair go Bás sa Bhruiséil | de Fréine, Seán | Article in Journal | | 1985 |
| The cultural consequences of the Great Famine | de Fréine, Seán | Article in Book | | 1996 |
| The dominance of the English language in the 19th century | de Fréine, Seán | Article in Book | NA | 1977 |
| The great silence | de Fréine, Seán | Monograph or Collective Volume | Foilseachain Naisiunta Teo | 1965 |
| The road back : book publishing in Irish in the twentieth and twenty-first centuries | de Fréine, Seán | Article in Book | | 2025 |