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
