- Principles and Parameters in a VSO Language: A Case Study in Welsh (Oxford Studies in Comparative Syntax) by Ian G. Roberts, 2005-02-03
- Teach Yourself Welsh (Teach Yourself Languages) by Christine Jones, Julie Brake, 2003-06-27
- The British language in its lustre, 1688 (English linguistics, 1500-1800; a collection of facsimile reprints) by Thomas Jones, 1972
- Teach Yourself Welsh Dictionary (TY: Dictionaries) by Edwin Lewis, 2006-11-01
- Pwy Sy'n Cofio Sion? (Nofelau Nawr) (Welsh Edition) by Mair Evans, 2001-04-04
- Intermediate Welsh: A Grammar and Workbook (Grammar Workbooks) by Gareth King, 1996-09-20
- Collins Welsh Dictionary: Pocket Edition by Collins UK, 2006-02-06
- Dictionary of Welsh and English Idiomatic Phrases by Alun Cownie, 2001-04-15
- Business Welsh: A User's Manual by Robert Dery, 1995-12-18
- George Orwell's Theory of Language by Andrey Reznikov, 2001-08-20
- It's Welsh!: A Welsh Course for the Young. by Heini Gruffudd, 1995-07
- Welsh Is Fun by Heini Gruffudd, Elwyn Ioan, 1995-07
- A Comprehensive Welsh Grammar (Reference Grammars) by David A. Thorne, 1993-10
- Norse-Derived Vocabulary in Late Old English Texts: Wulfstan's Works, a Case Study (North-Western European Language Evolution) by Sara M. Pons-Sanz, 2007-03
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