Ceffyl a thrafnidiaeth =
Subtitle: The Horse and transport.
Contributors: Gwynedd (Wales). Department of Culture and Leisure. Archives and Museums Education Service.
Publisher: Gwasanaeth Addysg Archifau ac Amgueddfeydd Adran Hamdden a Diwylliant = Archives and Museums Education Service, Department of Culture and Leisure.
Place of publication: [Caernarfon]
Language: wel