Disambiguation evidence for Doctor Who episode "An Unearthly Child" via surface form

"Doctor Who episode "An Unearthly Child""

Triples (1)

Triples where some other subject referred to this entity as "Doctor Who episode "An Unearthly Child"".

Time And Relative Dimension In Space → firstAppearanceWork →
"Doctor Who episode "An Unearthly Child""
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