Llyfr adar Iolo Williams
Subtitle: Cymru ac Ewrop
By: addasiad o gyfrol Peter Hayman a Rob Hume.
Contributors: Hume, Rob.; Williams, Iolo.
Publisher: Carreg Gwalch
Published: 2004
Place of publication: Llanrwst
Language: wel
Number of pages: 272
Work titles: Complete guide to the birdlife of Britain & Europe.