The School of Celtic Studies publishes scholarly editions and critical studies in the field of Celtic studies, and in both Irish and Welsh.
Four Courts Press publishes in the areas of medieval history, Celtic studies, (both medieval and modern,) Ireland and Irish history, folklore and a variety of other fields.
This group works with all publishers and distributors of materials in the Welsh language. Their Internet ordering service for Welsh publications is here:
Celtic Studies Scholarly Journals
You might also want to take a look at Margaret Lantry’s Journals page.
Ainm The Bulletin of the Ulster Place Name Society.
To subscribe to Cambridge/Cambrian Medieval Celtic Studies go here
Celtica (Dublin Institute Advanced Studies, the School for Celtic Studies)
(from the Faculty of Celtic Studies, University College Cork).
Section C covers Irish archaeology, Celtic Studies, history, linguistics, and literature. You can see the table of contents for the current issue, search back issues, and read abstrancts of the previous issue’s contents. The papers published in vols. 96 through 100 are available as .pdf files.