| Irish writing on Lafcadio Hearn and Japan : writer, journalist and teacher | Ronan, Sean G. | Monograph or Collective Volume | Global Oriental | 1997 |
| John Philip Holland, the inventor of the modern submarine and his Japanese and Fenian connections | Ronan, Sean G. | Article in Journal | | 2002 |
| Kokoro - a century later | Ronan, Sean G. | Article in Book | | 1997 |
| Lafcadio Hearn (Koizumi Yakumo) : his life, work and Irish background | Koizumi, TokiRonan, Sean G. | Monograph or Collective Volume | Ireland Japan Association | 1996 |
| Lafcadio Hearn (Koizumi Yakumo) : his life, work and Irish background | Koizumi, TokiRonan, Sean G. | Monograph or Collective Volume | Ireland Japan Association | 1991 |
| Report on the return of the remains of Roger Casement to Ireland (1965) | Ronan, Sean | Article in Book | | 2000 |