Manylion am y math o ddogfen lywodraethu sydd gan yr elusen a phan y'i sefydlwyd. Nid dyma destun llawn dogfen lywodraethu'r elusen.
MEMORANDUM AND ARTICLES OF ASSOCIATION INCORPORATED 6 DECEMBER 1986
Gwrthrychau elusennol
THE ADVANCEMENT OF THE EDUCATION OF THE PUBLIC IN GENERAL AND YOUNG PEOPLE IN PARTICULAR IN HISTORY, ART, ARCHITECTURE AND OTHER ENVIRONMENTAL SUBJECTS THROUGH THE STUDY OF HISTORIC BUILDINGS THEIR CONTENTS, SURROUNDINGS AND HISTORIC LANDSCAPES.
Maes buddion
Y maes y gall yr elusen weithredu ynddo, fel y nodir yn ei dogfen lywodraethu.
