Disambiguation evidence for Once Upon a Mattress via surface form
"Once Upon a Mattress (1959 stage premiere)"
Triples (2)
Triples where some other subject referred to this entity
as "Once Upon a Mattress (1959 stage premiere)".
Prince Dauntless
→
firstAppearance
→
"Once Upon a Mattress (1959 stage premiere)"
ⓘ
↳ resolves to Once Upon a Mattress
Sir Harry
→
debutWork
→
"Once Upon a Mattress (1959 stage premiere)"
ⓘ
↳ resolves to Once Upon a Mattress