Y tri thelynor
Subtitle: arloeswyr cerddorol Cymru yn y ddeunawfed ganrif
Publisher: Cwmni cymraeg Foyle
Published: 1945
Place of publication: Llundain
Language: wel
Number of pages: 139
Subjects: Harpists; Biography
Notes: Life and works of John Parry, Evan Williams and Edward Jones, "Bardd y brenin."

Errata slip inserted.