Internet : http://lcauth.dra.com
Internet : www.rté.ie/culture/millenia/index.html
The Gael / Edward E. Lysaght, 1919
The Surnames of Ireland, Irish Univ. Press, 1969
Information trouvée : E. MacLisaght has held the post of Chairman of the Irish Manuscripts Commission since
1956. [... ]His many publ., which includes the Irish Families series (1957-1964),
have established him as the leading authority on Irish names and family history.
https://www.dib.ie/biography/maclysaght-edward-anthony-edgeworth-a5251