Focaloir Gaoidhilge-sags-Bhaearla; Or, an Irish-English Dictionary; Whereof the Irish Part Hath Been Compiled Not Only from Various Irish Vocabularies, Particularly that of Mr. Edward Lhuyd, But Also from a Great Variety of the Best Irish Manuscripts Now Extant ; Especially Those that Have Been Composed from the Ninth and Tenth Centuries, Down to the Sixteenth ; Besides Those of the Lives of Saint Parick and Saint Brigit, Written in the Sixth and Seventh Centuries. By J. O'Brien