Seattle Noson Lawen 1987 Eitemau 14 items Math Casgliadau Uwchlwytho gan Puget Sound Welsh Association
1993 Pacific Northwest Gymanfa Ganu Association Welsh Weekend: Correspondence Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
1993 Pacific NorthwestWelsh Weekend: Booklet Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
Gymanfa ganu Program 1993 Pacific Northwest Gymanfa Ganu Association Welsh Weekend Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
