Anglesey Naturewatch
Charles Tunnicliffe - Prints :A Catalogue Raisonne
Edrica Huws: Print Tiwlips Coch a Du (1998)
Edrica Huws: Print Cath ar Fwrdd Smwddio (1998)
Edrica Huws: Print Fferm yng Ngwynedd
Edrica Huws: Print Y Dresel
Edrica Huws: Print Y Fiola (1998)
Llyfr George Cockram 1861-1950
Cynllun Aelodaeth Oriel Mon.
William Roos