Canllawiau cadwraeth
Subtitle: arolwg a gweithredu
By: adroddiad gweithgor LISC (Cymru) = Conservation guide-lines : survey and action / a LISC (Wales) working group report.
Publisher: Llyfrgell Genedlaethol Cymry = National Library of Wales
Published: 1993
Place of publication: Aberystwyth
Language: eng
Other titles: Conservationguide-lines: survey and action.
Notes: Welsh and English text.