Disambiguation evidence for Norham Castle on the River Tweed via surface form

"Norham Castle on the River Tweed in Northumberland"

Triples (1)

Triples where some other subject referred to this entity as "Norham Castle on the River Tweed in Northumberland".

Norham Castle on the River Tweed → basedOn →
"Norham Castle on the River Tweed in Northumberland"
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