Disambiguation evidence for Beethoven's middle period via surface form

"Beethoven’s middle-period piano sonatas"

Triples (1)

Triples where some other subject referred to this entity as "Beethoven’s middle-period piano sonatas".

Piano Sonata No. 24 in F-sharp major, Op. 78 → belongsTo →
"Beethoven’s middle-period piano sonatas"
↳ resolves to Beethoven's middle period
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