⁵⁹Jones, Carleton. Temples of Stone: Exploring the Megalithic Tombs of Ireland. Cork: Collins, 2007. 168.
The author credits some of these ideas here to sources including: Lewis-Williams, D. and D. Pearce (Inside the Neolithic Mind: Consciousness, Cosmos and the Realm of the Gods. 2005), Bergh, S. (Landscape of the Monuments —A study of the passage tombs of the Cúil Irra region, Co. Sligo, Ireland. 1995.) Darvill, T. ("White on Blonde: Quartz Pebbles and the Use of Quartz at Neolithic Monuments in the Island of Man and Beyond." In Jones, A. and G. MacGreror (eds) Colouring the Past — The Significance of colour in archaeological research. 2002), and O'Brien, W. ("Sacred Ground: Megalithic Tombs in Coastal South-West Ireland." Bronze Age Studies 4, Department of Archaeology. 1999).