See also references for related subjects.
Le Mair, Esther, “A trusted outsider: Leborcham in the Ulster Cycle”, in: Toner, Gregory, and Séamus Mac Mathúna (eds), Ulidia 3: proceedings of the Third International Conference on the Ulster Cycle of Tales, University of Ulster, Coleraine 22–25 June, 2009. In memoriam Patrick Leo Henry, Berlin: curach bhán, 2013. 37–47.