- Colloquial Welsh (Colloquial Series) by Gary King, 1995-03-10
- Pronunciation Exercises for English as a Second Language: Second Edition (Pitt Series in English as a Second Language) by Gary Esarey, 1996-11-15
- Welsh-English / English-Welsh Dictionary & Phrasebook (Hippocrene Dictionary & Phrasebooks) (Welsh Edition) by Heini Gruffudd, 2005-09-05
- Splintered Light: Logos and Language in Tolkien's World by Verlyn Flieger, 2002-11
- Tys Welsh Language Life and Culture (Teach Yourself World Cultures) by Christine Jones, Julie Brake, 2004-02-27
- Desire for Origins: New Languages, Old English, and Teaching and Tradition by Allen J. Frantzen, 1990-11-01
- Welsh (Teach Yourself) by Rhys Jones, T. J. Rhys Jones, 1992-08
- Llyfr Rheolau (Language - Welsh - play books) (Welsh Edition) by Child's Play, 1999-12
- GCSE Mathematics Foundation Welsh Language: Haen Sylfaenol Ar Gyfer CBAC by Wyn Brice, Linda Mason, et all 2007-09-03
- The Bloodaxe Book of Modern Welsh Poetry: 20th-Century Welsh-Language Poetry in Translation by Menna Elfyn, 2003-12-06
- The Influence Of The English And Welsh Languages Upon Each Other: Exhibited In The Vocabularies Of The Two Tongues (1869) by Trubner And Company, 2010-05-23
- Gêm i Gloi - 20 games to play with children to encourage and reinforce Welsh language and vocabulary by Kathy Williams, Martin Gwynedd, 2008-09-15
- Language Planning and Language Use: Welsh in a Global Age by Delyth Morris, Glyn Williams, 2000-03-29
- The Welsh Language (It's Wales) by Cennard Davies, 2006-01
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