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Amgueddfa Cymru – Museum Wales
Naw traethawd: 'Casgliad o Lên Gwerin wedi'i gofnodi oddi ar lafar'. [Llyn ac Eifionydd; Mynytho a Phen Llyn; Tregaron a Llanddewi Brefi; Pum Plwy Penllyn; Llyn ac Eifionydd; Dwyrain Niwbwrch a Brynsiencyn yn Môn; Talsarnau, Borth-y-Gest; Bl. Ffestiniog, Eifionydd; Llansannan ac ardaloedd cyfagos; Porthaethwy, Llanfair P.G., Brynsiencyn, Gaerwen] [1987-88]
