Dwy bregeth ar y testynau canlynol, sef, I. Yr Ysbryd Glân yn argyhoeddi'r byd o bechod, o gyfiawnder ag o farn; II. Rhodio gyda Duw
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| Description | book (work) |
| Author/s |
author: George Whitefield |
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| Language | Welsh |
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| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |