porthmyn
By: gan John Evans ; lluniau gan Joe Bradford.
Publisher: (Addysg Powys)
Published: 1993
Place of publication: (Llandrindod?)
Language: wel
Number of pages: 27
Subjects: Cattle drives -- Wales -- History.
Notes: Yn cynnwys mynegai = Includes index.

Fersiwn Saesneg hefyd ar gael = English version also available.