Geraint Dyfnallt Owen

• Elizabethan Wales
• Wales in the reign of James I
• Aeddan Hopcyn
• Aeth deugain mlynedd heibio
• Calendar of the Manuscripts of the Most Honourable the Marquess of Salisbury, Preserved at Hatfield House, Hertfordshire
• Cefn Ydfa
• Crisis in Chubut
• Cwymp y blaid wreiddiol
• Dyddiau'r gofid
• Elizabeth Wales
• Elizabethan Wales, the social scene
• Eun Noveziad reo gwenn