An introduction to Old Irish /

by Lehmann, Ruth, 1912-
Published 1975

A grammar of old Irish /

by Thurneysen, Rudolf, 1857-1940
Published 1980

A grammar of old Irish /

by O'Connell, F. W. (Frederick William), 1876-1929
Published 1912

An introduction to Old Irish /

by Lehmann, Ruth P. M. (Ruth Preston Miller), 1912-2000
Published 1975