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Rhif Galw: Zh 1630Cylchgrawn -
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Rhif Galw: Zh 1629Cylchgrawn -
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Cyhoeddwyd 2003
Rhif Galw: Zh 1603:9/10Cylchgrawn -
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Rhif Galw: Zh 1603Cylchgrawn -
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Rhif Galw: Zh 1597Cylchgrawn -
8