Caerllion : Isca'r Rhufeiniaid : pecyn adnoddau addysgol /
Copeland, Tim.
National Museum of Wales.
[Cardiff] : National Museum of Wales,
1993.
Llyfryddiaeth = Bibliography: p24
Ynghyd â 12 tudalen rydd o nodiadau i athrawon a thaflenni gwaith mewn poced = With 12 loose pages of teachers' notes and activity sheets in pocket
Fortification, Roman