Datblygiad y castell yng Nghymru
By: Mary Aris a Julia Burns ; cyfieithwyr: Julia Burns a Dawi Griffiths.
Contributors: Burns, Julia.; Griffiths, Dawi.
Publisher: Y Ganolfan Astudiaethau Iaith
Published: 1992
Place of publication: Llangefni
Language: wel
Number of pages: 45
Subjects: Castles -- Wales -- History.; Castles -- Wales -- Juvenile literature.; Wales -- History -- Juvenile literature.