Gosodiad Pwyll ap Siôn (Gwobr Goffa Alun Llywelyn-Williams)
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Llungopi o osodiad Pwyll ap Siôn o'r gerdd 'Ar Ymweliad' gan Alun Llywelyn-Williams (1913-1988) ar gyfer cystadleuaeth Gwobr Goffa Alun Llywelyn-Williams. / Photocopy of an arrangement by Pwyll ap Siôn of the poem 'Ar Ymweliad' by Alun Llywelyn-Williams (1913-1988) for the Alun Llywelyn-Williams Memorial Prize competition.