| Motivational factors in the acquisition of Welsh in Poland K Rosiak, M Hornsby Studia Celtica Posnaniensia 1 (1), 57-73, 2016 | 4 | 2016 |
| The Welsh language and social integration from the point of view of the new Polish emigration to Wales K Rosiak Zeszyty Łużyckie, 2016 | 1 | 2016 |
| From Synthetic to Analytic? The Changing Use of Diminutive Expressions in Welsh K Rosiak Celts and their Cultures at home and abroad. A Festschrift for Malcolm Broun …, 2013 | 1 | 2013 |
| Rola Narodowego ‘Eisteddfodu’w kultywowaniu i rozwoju poezji walijskiej K Rosiak Litteraria Copernicana, 155-165, 2019 | | 2019 |
| Polish new speakers of Welsh: motivations and learner trajectories K Rosiak Language, Culture and Curriculum 31 (2), 168-181, 2018 | | 2018 |
| The use of diminutives in the context of recent revitalisation efforts in Wales K Rosiak Language, thought and education: exploring networks, 149-160, 2015 | | 2015 |
| Zdrobnienia we współczesnym języku walijskim K Rosiak | | 2010 |
| A Romantic Twentieth-century Welsh View of Polish Literature from 1800-1945 K Rosiak, S Heinz Studia Celto-Slavica 5. Dimensions and Categories of Celticity. Studies in …, 2010 | | 2010 |
| The Use of diminutives by speakers of Welsh K Rosiak Maria Bloch-Trojnar (ed.) Perspectives on Celtic Languages. Lublin …, 2009 | | 2009 |
| Towards a definition of diminutive in Modern Welsh K Rosiak Bloch-Rozmej, Anna (ed.) Issues in Celtic Linguistics, 197-204, 2007 | | 2007 |