Ysgol Iaith, Diwylliant a'r Celfyddydau
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Webb, A.
1/04/02 → 31/08/13
Project: Ymchwil
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Lynch, P.
1/09/02 → 1/12/07
Project: Ymchwil
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Webb, A.
5/07/04 → 23/07/08
Project: Ymchwil
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4/10/04 → 3/10/07
Project: Ymchwil
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1/02/05 → 30/01/08
Project: Ymchwil
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Webb, A.
1/10/05 → 31/07/09
Project: Ymchwil
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9/01/06 → 20/06/08
Project: Ymchwil
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Lynch, P.
1/04/06 → 20/06/08
Project: Ymchwil
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1/07/06 → 31/08/11
Project: Ymchwil
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Webb, A.
1/07/06 → 30/06/08
Project: Ymchwil
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1/01/07 → 10/07/09
Project: Ymchwil
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Webb, A.
1/07/07 → 14/06/13
Project: Ymchwil
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Wiliams, G.
20/08/07 → 31/07/11
Project: Ymchwil
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