1998,Pacific Northwest Gymanfa Ganu Association Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
1997, Pacific Northwest Gymanfa Ganu Association, Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
1998 Pacific Northwest Welsh Weekend ; publicity Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
1998 Pacific Northwest Welsh Weekend : handbook Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
1997 Pacific Northwest Welsh Weekend; Support documents Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
1997 Pacific Northwest Welsh Weekend:handbook Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
1995 Pacific Northwest Welsh Weekend ; handbook Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
1994 Pacific Northwest Wesh Weekend : handbook Math Eitemau 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
Gymanfa ganu Program 1992 Pacific Northwest Gymanfa Ganu Association Welsh Weekend Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
Seattle Gymanfa Ganu, 1998 Eitemau 14 items Math Casgliadau Uwchlwytho gan Puget Sound Welsh Association
