The School of Celtic Studies at the Dublin Institute for Advanced Studies
has a Web site which gives a list of its publications, prices and ordering info.
Substitute 'gaeilge' for 'english' for the Irish version.
>A Guide to Early Irish Law by Fergus Kelly; Dublin Institute for Advanced
>STudies, 10 Burlington Road, Dublin 4; Principles of Irish Law, Brian Doolan,
>Gill and Macmillan, Goldenbridge, Dublin 8.