Welsh language -- Mutation

Books

Mutation in Welsh
Ball, Martin J.  Müller, Nicolaus  Mller, Nicole 
Publisher: Routledge
ISBN10: 0415031656 ISBN13: 9780415031653

Taith y treigladau = The treigladau tour
Clayton, Pat  Maclean, Andrew 
Publisher: Gwasg Carreg Gwalch
ISBN10: 0863815855 ISBN13: 9780863815850 DDC: 491.6682421 Edition: (pbk.) :£4.00

Mutation in Welsh
Ball, Martin J. 
Publisher: Routledge
ISBN10: 6610326584 ISBN13: 9786610326587 LCC: PB2128