Parker, Michael Richard, Vendler, H., Kennedy-Andrews, E., Regan, S., Russell, R.R., Sullivan, M., Corcoran, N., Auge, A., Tyler, M. et al (2016) 'Renewed, Transfigured, In Another Pattern': Seamus Heaney's Multiple Translations. In: "The Soul Exceeds Its Circumstances" - The Later Poetry of Seamus Heaney. University of Notre Dame Press. ISBN 978-0-268-10020-9