1. Excavations at Knowth, Co. Meath;Eogan;Proceedings of the Royal Irish Academy,1968
2. Dronfield J.C. Forthcoming b. Migraine, light and hallucinogens: the neurocognitive basis of Irish megalithic art, Oxford Journal of Archaeology.
3. Appendix: Radiocarbon dates from Brugh na Bóinne, in G. Eogan, Prehistoric and early historic culture change at Brugh na Bóinne;Grogan;Proceedings of the Royal Irish Academy,1991