1. Hinz, M., Müller, J. & Wunderlich, M. in Megaliths, Societies, Landscapes: Early Monumentality and Social Differentiation in Neolithic Europe Vol. 1 (eds Hinz, M. et al.) 21–23 (Habelt, 2019).
2. Cunliffe, B. Facing the Ocean: the Atlantic and its Peoples (Oxford Univ. Press, 2004).
3. Burenhult, G. Megalithic symbolism in Ireland and Scandinavia in light of new evidence from Carrowmore. Arkeos 6, 49–108 (1999).
4. Wolf, A. P. Incest Avoidance and the Incest Taboos: Two Aspects of Human Nature (Stanford Univ. Press, 2014).
5. Goggin, J. M. & Sturtevant, W. P. in Explorations in Cultural Anthropology. Essays in Honour of George Peter Murdock (ed. Goodenough, W. H.) 179–219 (McGraw-Hill, 1964).