REMOVE

1. Engineering
2. Bridges
3. Railroads
4. Plans (drawings)
5. England: Kent
6. Ireland

WHAT

1. Arthurian romances (2)
2. Chronicles of England (2)
3. Chronicles of England--Ma … (2)
4. Codex (2)
5. France--History--To 987 (2)

WHERE

1. England (2)
2. France (2)
3. Italy: Rome (1)

WHO

1. Arthur, King (2)

WHEN

1. 1 BCE - 500 CE (2)
2. 15th century (2)