Llythyr, 26 Mai 1935, at Mary Silyn Roberts oddi wrth Maggie Jones (Meiriona), cydlynydd Undeb Cenedlaethol y Cymdeithasau Cymraeg cyd-rwng Cymry oedd wedi ymfudo dramor â'u mamwlad, ynghylch cysylltiadau Cymreig yn Seland Newydd a Natal. Arnodwyd y llythyr yn llaw Mary Silyn Roberts. = Letter, 26 May 1935, to Mary Silyn Roberts from Maggie Jones (Meiriona), National Union of Welsh Societies co-ordinator between those of the Welsh population who had emigrated overseas and their motherland, relating to Welsh connections in New Zealand and Natal. Letter annotated in the hand of Mary Silyn Roberts.