1. Butler, H. (1972), Ten Thousand Saints: a Study in Irish and European Origins, Wellbrook Press, Kilkenny.
2. Cunliffe, B. (1997), The Ancient Celts, Oxford University Press, Oxford.
3. Cuppage, J. et al (1986), Archaeological Survey of the Dingle Peninsula, Oidhreacht Chorca Dhuibhne, Ballyferriter.
4. St Kildas: stone tools, dolerite quarries and long-term survival
5. Human ecology and the early history of St Kilda, Scotland