Columbia subject headings:
Britons--Legends.
English language--Middle English, 1100-1500--Texts.
Great Britain--History--To 1066--Prophecies.
Merlin (Legendary character)
Prophetia Merlini (Geoffrey of Monmouth)
Harvard subject headings:
Arthurian romances--History and criticism.
English language--Middle English, 1100-1500--Texts
Geoffrey, of Monmouth, Bishop of St. Asaph, 1100?-1154. Prophetia Merlini.
Great Britain--History--To 1066--Prophecies.
Great Britain--History--To 449.
Legends--Wales
Merlin (Legendary character)
Merlin (Legendary character)--Legends.
Prophetia Merlini (Geoffrey of Monmouth)
Wizards in literature.
Princeton subject headings:
Geoffrey, of Monmouth, Bishop of St. Asaph, 1100?-1154. Historia regum Britanniae.
Great Britain--History--To 449.
Legends, Celtic.
Merlin (Legendary character)--Legends.