Nadolig o dan y ddaear, Glofa Birsham, Wrecsam, c.1950 Math Eitemau Uwchlwytho gan Cymru ar Flickr Commons / Wales on Flickr Commons
Minutes of a Cardiff Municipal Musical Society Executive Committee meeting Math Eitemau Uwchlwytho gan VCS Chronicle
Minutes of a Cardiff Municipal Musical Society Executive Committee meeting, including a proposal by the Choral Section for a concert at Llandaff Cathedral in November and a carol concert at the end of the year, City Centre, Cardiff, 23 March 1964 Math Eitemau Uwchlwytho gan VCS Chronicle
