Hymnal: Hymnau a thonau at wasanaeth amrywiol gyfarfodydd y cysegr #179 (1910)Hymnal Title: Hymnau a thonau at wasanaeth amrywiol gyfarfodydd y cysegrFirst Line: Duw mawr y rhyfeddodau maithLanguages: WelshTune Title: HUDDERSFIELD
Hymnal: Old and New Welsh and English Hymns #161a (1939)Hymnal Title: Old and New Welsh and English HymnsFirst Line: Duw mawr y rhyfeddodau maithLanguages: WelshTune Title: RHYDYGROES