http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Egwyddorion y grefydd Gristnogawl yn Gymraeg
Er Ileshàd ieuengctid Cymru. Megis eu gosodwyd hwynt allan mewn Catechism Byr, ... 1647
Reproduction of original from the British Library.
English Short Title Catalog, ESTCT129860.
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. Available via the World Wide Web. Access limited by licensing agreements s2003 miunns