Farrell, E. C. dos S. P. (2015). Recensão: BHREATHNACH, Edel – Ireland in the Medieval World AD 400-1000: Landscape, kingship and religion. Dublin: Four Courts Press, 2014. ISBN: 978-1-84682-342-8. Medievalista, 1(17). Obtido de http://medievalista.iem.fcsh.unl.pt:80/index.php/medievalista/article/view/218