Sieffre o Fynwy =
Subtitle: Geoffrey of Monmouth.
Publisher: University of Wales
Published: 1966
Place of publication: Cardiff
Language: eng
Number of pages: 113
Subjects: Geoffrey, -- of Monmouth, -- Bishop of St. Asaph, -- 1100?-1145.
Other titles: Geoffrey of Monmouth.
Notes: Includes Vita Merlini.

Text in Welsh and English.