http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
neu dair rhan o'r hymnau gyfenwyd Ffarwel weledig, groesaw anweledig bethau. Wedi eu hargraphu yn un llyfr, a'u diwygio, gan W. Williams
The collection 'Ffarwel weledig' was published between 1763 and 1769.
Reproduction of original from the British Library.
English Short Title Catalog, ESTCT133859.
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. Available via the World Wide Web. Access limited by licensing agreements s2003 miunns