Y porthmyn
Subtitle: llyfr yr athro
By: gan John Evans ; darluniau gan Joe Bradford ; dylunio gan Jo Caryl.
Publisher: (Addysg Powys)
Published: 1993
Place of publication: (Llandrindod?)
Language: wel
Number of pages: 17
Subjects: Cattle drives -- Wales.; Wales -- History -- Study and teaching (Elementary)
Notes: Fersiwn Saesneg hefyd ar gael = English version also available.