Bywyd ac amserau Llywelyn ap Gruffydd
Subtitle: llyfryddiaeth = Llywelyn ap Gruffydd, his life and times : a bibliography
By: [casglwyd y wybodaeth gan John E. Jones a D. Glyn Evans a golygwyd gan Alun Jones].
Contributors: Jones, Alun John Howell, 1951-; Jones, John Elwyn.; Evans, Dyfed.
Publisher: Gwasanaeth Llyfrgell Gwynedd
Published: 1982
Place of publication: [Caernarfon]
Language: wel
Number of pages: 55
Subjects: Llywelyn ap Gruffydd, -- d. 1282 -- Bibliography.
Notes: Includes index.