Traddodwyd y ddarlith hon yn = This lecture was delivered at: Eisteddfod Genedlaethol Bro Dinefwr, Llandeilo, 1996.
Canu ffolant by Rhiannon Ifans. ISBN 0951030760. Published by Cymdeithas Alawon Gwerin Cymru in 1996. Publication and catalogue information, links to buy online and reader comments.