| Claudius Ptolomaeus and the Picts | Napier, James | Article in Journal | | 1987 |
| Die geographie Irlands bei Ptolemaios | Pokorny, Julius | Article in Journal | | 1953 |
| Ptolemaic Ireland | Gogan, L. | Article in Journal | | 1974 |
| Ptolemy revisited | Mac An Bhaird, Alan | Article in Journal | | 1991 |
| Ptolemy's Gangani and sacred geese | Breeze, Andrew | Article in Journal | | 2006 |
| Ptolemy's map of Ireland : a modern decoding | Darcy, R. | Article in Journal | | 2008 |
| Ptolemy's River 'Winderis': a corrected identification, a sea-monster and Roman material from adjacent sandhills | Warner, R.B. | Article in Journal | | 2018 |
| The Greek geographic tradition and Ptolemy's evidence for Irish geography | Tierney, J. J. | Article in Journal | | 1976 |