Meistres 'Graianfryn' a cherddoriaeth frodorol yng NghymruWyn Thomas · First published 1999Open the Tome
Integration strategies for the reactive schedulingDavid Wyn Thomas · First published 1998Open the Tome
Welsh Music History / Hanes Cerddoriaeth Cymru 2 (1997)John Harper, Wyn Thomas · First published 1997Open the Tome
Welsh Music History / Hanes Cerddoriaeth Cymru 1 (1996)John Harper, Wyn Thomas · First published 1996Open the Tome
Comparison of the differences in the perception of occupational stress factors between police officers in the criminal investigation department the priority policing team traffic department and those officers on beat dutiesGareth Wyn Thomas · First published 1993Open the Tome
