Seattle Gymanfa Ganu 1950, Ar lan'r Iorddonen ddofn Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
Recordings of Welsh history in Seattle. Track 5 Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
Seattle newspaper items on Welsh activities, 1889 Math Eitemau Uwchlwytho gan Puget Sound Welsh Association
Conversations With the Welsh of the Puget Sound Region Eitemau 24 items Math Casgliadau Uwchlwytho gan Puget Sound Welsh Association
