Sleeman, A. G. (1977). "Lower Carboniferous transgressive Facies in the Porter's Gate Formation at Hook, Co. Wexford". Proceedings of the Royal Irish Academy. 77 (16): 269–284. JSTOR20494287.
Johnston, I. S.; Higgins, A. S. (1981). "Conodont faunas from the Lower Carboniferous rocks at Hook Head, County Wexford". Journal of Earth Sciences. 4 (1). Royal Dublin Society: 83–96. JSTOR30002463.