Bywyd gwyllt ar Ynys Dewi a'r ardal o amgylch. Extract from Morris, L., 1748. Plans of Harbours, Bars, Bays and Roads in St. George's Channel Math Eitemau Uwchlwytho gan Moroedd Byw Cymru
Cardiff Community Concern News Sheet, Cardiff, February 1976 Math Eitemau Uwchlwytho gan VCS Chronicle
