Canolfan Madog ar gyfer Astudiaethau Cymreig, Tŷ Elizabeth F. Davis, F-40
Prifysgol Rio Grande, Blwch Post 500, Rio Grande, OH, 45674, UDA
rhif ffôn y ganolfan:  1.740.245.7186   ::   rhadffon y brifysgol oddi fewn Gogledd yr Amerig:  1.800.282.7201
Hawlfraint © 2005-2006   ::   welsh@rio.edu
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Madog Center for Welsh Studies, Elizabeth F. Davis House, F-40
University of Rio Grande, P.O. Box 500, Rio Grande, OH, 45674, USA
center phone number:  1.740.245.7186   ::   university freephone from within North America:  1.800.282.7201
Copyright © 2005-2006   ::   welsh@rio.edu
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awduron / authors:  William Knox & Timothy Jilg, PhD
prif lais / main voice:  Haydn Jones   ::   lleisiau'r sgyrsiau / conversation voices:  Haydn Jones & Iwan Jones
gwaith sain / recording:  Mike Thompson   ::   ymgynghorwyr / consultants:  Kevin Hager & Chris Fahey