St. David's Day Proclamation, Washington State Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
1999 Pacific Northwest Welsh Weekend: planning Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
1993 Pacific North West Welsh Weekend: Reports Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
Puget Sound Welsh Association Scholarship fund Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
Y Ddolen, society newsletter Puget Sound Welsh Association, Seattle. September 1996 Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
