Sgorau i Gefnogi Cerddoriaeth UG CBAC / Scores to Support WJEC AS Music Pughe Fflur Aktivitetsbøker / 2008 / Engelsk
Wales and the World: Counting the Cost - Wales and the World in the 1930s Evans, Robin Heftet / 2008 / Engelsk
Bendigeiduran Uab Llyr - Ail Gainc y Mabinogi (Bendigeidfran Fab Llyr) Ail Gainc y Mabinogi Hughes, Ian Heftet / 2017 / Walisisk
Cyfres Hwyl Drwy'r Flwyddyn: Llawlyfr Athrawon/Teachers' Handbook Jones, Llinos Heftet / 2007 / Engelsk
