Heledd Hayes (Hayes, Heledd)

Welsh

• 
  Y Llewpart
  by Giuseppe Tomasi di Lampedusa, Heledd Hayes
  Softcover, Academi Gymreig, ISBN 0906906040 (0-906906-04-0)

English

• 
  Education: Guide to European Organizations and Programmes
  by Gill Holt, Heledd Hayes
  Softcover, Taylor & Francis Group, ISBN 0700514384 (0-7005-1438-4)