| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Geiriau Bob Dydd - Children's Picture Dictionary of Welsh Everyday Words for Welsh-Speakers and Learners | 978-1-85596-350-4 (1-85596-350-7) | 2011 |
| Hoff Hwiangerddi / Favourite Welsh Nursery Rhymes | 978-1-85596-471-6 (1-85596-471-6) | 2010 |
R. B · Roger Barry · Roger Bauer · Roger Bayer · Roger Berry · Roger Boar · Roger Bray