Disgrifiad
Glamorgan Gwent Archaeological Trust Ltd report, "Tir Gofal Historic Environment Provisions, HE2 Archaeological Farm Visit Report. Visit date 04/10/01; 17/10/01, Penllyn Estate Farm, Llwynhelig, Cowbridge," by Dr Lesley Zienkiewicz and Susan Hughes for the Countryside Council for Wales, dated October 2001. CCW application no. S/15/001811
