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- Ffeil
- 1972-76.
Rhan oArchif Plaid Cymru,
Rhan oArchif Plaid Cymru,
Rhan oArchif Plaid Cymru,
Rhan oArchif Plaid Cymru,
Rhan oArchif Plaid Cymru,
Rhan oArchif Plaid Cymru,
Rhan oArchif Plaid Cymru,
Rhan oArchif Plaid Cymru,
Uribombu di a Corsica Nazione,
Rhan oArchif Plaid Cymru,
Rhan oArchif Plaid Cymru,
V. Alkhimov and V. Mordvinov, Foreign trade of the USSR,
Rhan oArchif Plaid Cymru,
Vera Brittain, One of these little ones,
Rhan oArchif Plaid Cymru,
Vera Brittain, "Un o'r rhai bychain hyn"/"One of these little ones",
Rhan oArchif Plaid Cymru,
Viscount Astor and B. Seebohm Rowntree, British Agriculture,
Rhan oArchif Plaid Cymru,
Rhan oArchif Plaid Cymru,
W. Ambrose Bebb (gol.), Y Ddeddf Uno, 1536,
Rhan oArchif Plaid Cymru,
W. B. Sutch, The Quest for Security in New Zealand,
Rhan oArchif Plaid Cymru,
W. C. Devereux, Post War Reconstruction of Industry in South Wales,
Rhan oArchif Plaid Cymru,
W. C. Devereux, Post War Reconstruction of Industry in South Wales,
Rhan oArchif Plaid Cymru,
W. Hughes Jones, A Challenge to Wales,
Rhan oArchif Plaid Cymru,
Rhan oArchif Plaid Cymru,