Drafts of parts of Cymru'r Oesau Canol [published 1933],
- II/2/ 10.
- Ffeil
- [c.1933].
Drafts of parts of Cymru'r Oesau Canol [published 1933],
Corrections to Cymru'r Oesau Canol,
Notebook containing material for (a) Robert Richards, 'Ardudwy and its ancient churches', Harlech Studies, Cardiff, 1938; (b) Robert Richards & R. G. Lloyd, 'The old church of Llandanwg', Archaeologia Cambrenis, Cardiff, 1935.
Letter from B. H. St J. O'Neil to Robert Richards,
Letter from Fred W. Strange to Robert Richards,
Letter from J. E. Lloyd to Robert Richards,
Letters from T. Alwyn Lloyd to Rev. Gwynfor Lewis,
Letter from the bishop of St Asaph to Gwynfor Lewis,
Notes on prehistory and ancient history.
Postcard from W. J. Hemp to Robert Richards,
Notes on the princes of Powys.
Article on 'Princes of Upper Powys'.
Address, 'Dyffryn Ceiriog - ei hanes a'i lên'.
Letter from Gwen Lloyd to Robert Richards,
Letter from Sir J. E. Lloyd to Robert Richards,