Poems attributed to Siôn Trefor are found in Gwysaney MS. 25; Llanstephan MS 11 ; Peniarth MS 84 , Peniarth MS 86 , Peniarth MS 313 ; NLW MS 1553A , NLW MS 6471B ; and to Sir Siôn Trefor in Jes. Coll. MS. 15. An englyn to Sir Hugh, earl of Worcester, composed by Sir John Trefor and Edmund Prys, appears in NLW MS 11993A .
Published date: 1959
Article Copyright: http://rightsstatements.org/page/InC/1.0/
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