Words and Proper Names

Letha

4048.
Koch (John T.): Ériu, Alba and Letha: when was a language ancestral to Gaelic first spoken in Ireland?
In Emania 9 (1991), pp. 17–27.
4895.
Koch (John T.): New thoughts on Albion, Iernē, and the Pretanic Isles.
In PHCC 6 (1986), pp. 1–28.
Discusses the following Old and Middle Irish toponyms and ethnonyms: Albu, Ériu, Letha, Goídel, Féni.