| Cathair Luimnighe | Mac Spealáin, G. | Monograph or Collective Volume | Oifig an tSoláthair | 1949 |
| Cathair Luimnighe, cuid 2 : 1691-1941 | Mac Spealáin, G. | Monograph or Collective Volume | Oifig an tSoláthair | 1950 |
| Notes on place-names in the city and liberties of Limerick | Mac Spealáin, G. | Article in Journal | | 1942 |
| Place names of county Limerick : barony of Coshlea | Mac Spealáin, G. | Article in Journal | | 1948 |
| Some interesting place-names in county Limerick | Mac Spealáin, G. | Article in Journal | | 1943 |
| Uí Chairbre Aobhdha (i gcontae Luimnighe) : a stair agus a seanchas | Mac Spealáin, G. | Monograph or Collective Volume | Oifig an tSoláthair | 1960 |
| Uí Conaill Gabhra i gcontae Luimigh | Mac Spealáin, G. | Monograph or Collective Volume | Comhar-Chumainn Íde Naofa Teo | 2004 |