Akron, Ohio, 1947: committees Math Eitemau Uwchlwytho gan The Welsh North American Association (WNAA)
Washington D.C. 1957: church service Math Eitemau Uwchlwytho gan The Welsh North American Association (WNAA)
Salt Lake City 1949: Appointment Math Eitemau Uwchlwytho gan The Welsh North American Association (WNAA)
Salt Lake City 1955 and Salt Lake City 1949: personalities Math Eitemau Uwchlwytho gan The Welsh North American Association (WNAA)
Swansea 1974: General correspondence Math Eitemau Uwchlwytho gan The Welsh North American Association (WNAA)
Swansea 1974: invitations to events Math Eitemau Uwchlwytho gan The Welsh North American Association (WNAA)
Swansea 1974: invitation and acceptance Math Eitemau Uwchlwytho gan The Welsh North American Association (WNAA)
