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| Medieval Welsh Literature A Breeze (No Title), 1997 | 62 | 1997 |
| Celtic voices R Coates, A Breeze English places, 311-345, 2000 | 47 | 2000 |
| The Celtic Languages A Breeze Notes and Queries 41 (2), 224-226, 1994 | 40 | 1994 |
| The Blessed Virgin and the sunbeam through glass A Breeze Bells: Barcelona English language and literature studies, 53-64, 1990 | 38 | 1990 |
| The origins of the Four Branches of the Mabinogi A Breeze Gracewing, 2009 | 35 | 2009 |
| Seven types of Celtic loanword A Breeze The Celtic roots of English (eds M. Filppula, J. Klemola & H. Pitkänen), 175-181, 2002 | 30 | 2002 |
| The historical Arthur and sixth-century Scotland A Breeze Northern History 52 (2), 158-181, 2015 | 24 | 2015 |
| Armes Prydein, Hywel Dda, and the reign of Edmund of Wessex A Breeze Études celtiques 33 (1), 209-222, 1997 | 20 | 1997 |
| Sir John Stanley (c. 1350–1414) and the" Gawain"-Poet A Breeze Arthuriana, 15-30, 2004 | 18 | 2004 |
| Old English ealfara,‘pack-horse’: a Spanish-Arabic loanword A Breeze Oxford University Press, 1991 | 17 | 1991 |
| The kingdom and name of Elmet A Breeze Northern History 39 (2), 157-171, 2002 | 16 | 2002 |
| Gildas and the schools of Cirencester A Breeze The Antiquaries Journal 90, 131-138, 2010 | 15 | 2010 |
| The charter of Christ in medieval English, Welsh and Irish A Breeze Celtica 19, 111-120, 1987 | 15 | 1987 |
| Where was Gildas born? A Breeze Northern History 45 (2), 347-350, 2008 | 13 | 2008 |
| A Welsh poem of 1485 on Richard III A Breeze The Ricardian 18, 46-53, 2008 | 13 | 2008 |
| Peredur son of Efrawg and windmills A Breeze Studia Celtica 24, 58-64, 2003 | 13 | 2003 |
| Does Corieltavi Mean ‘Army of Many Rivers’? A Breeze The Antiquaries Journal 82, 307-309, 2002 | 13 | 2002 |
| A Celtic etymology for Old English deor'brave' A Breeze Alfred the Wise: Studies in Honour of Janet Bately on the Occasion of Her …, 1997 | 13 | 1997 |
| The Virgin's Tears of Blood A Breeze Celtica 20, 110-122, 1988 | 13 | 1988 |
