http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Awdlau ar destynau Cymdeithas y Gwyneddigion
i'r eisteddfodau yn B.A. 1789, 1790, 1791. ... Gan Dafydd Ddu o'r Eryri
Dafydd Ddu o'r Eryri = David Thomas, who signs the preface.
Reproduction of original from the British Library.
English Short Title Catalog, ESTCT126550.
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. Available via the World Wide Web. Access limited by licensing agreements s2003 miunns