Cylchgronau Cymru
Chwiliwch trwy dros 450 o deitlau a 1.2 miliwn o dudalennau
Professor E.G. Bowen (top right) at Carew Cross (Pembs) in the mid 1960's with a party of field work students and S. Brian McCann (top left, now at McMaster University Canada), Neville Douglas (middle right, now at Queen's University, Belfast) and C. Roy Lewis (middle right, Aberystwyth).