| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1995 | 978-1-86112-000-7 | Cymraeg: Cyfnodau allweddol 1 a 2, lefelau 1 i 5: enghreifftio safonau (Cysondeb mewn asesiad athrawon) | |
| '' | 978-1-86112-001-4 | Enghreifftio safonau: Cymraeg (Cysondeb mewn asesiad athrawon) | |
| 2006 | 978-1-86112-588-0 | Delyth Prys · J.P.M. Jones · Owain Davies · Gruffudd Prys | Termiadur, Y |