REMOVE

1. Ireland--History--To 1172
2. Codex
3. Vortigern, active 450

WHAT

1. Arthurian romances (2)
2. Chronicles of England (2)
3. Chronicles of England--Ma … (2)
4. Great Britain--History (2)

WHERE

1. Ireland (2)
2. England (1)
3. England: Wiltshire: Stone … (1)

WHO

1. Merlin (Legendary charact … (2)

WHEN

1. 1 BCE - 500 CE (2)
2. 14th century [mid] (2)