Disambiguation evidence for Piano Sonata No. 4 in C minor, Op. posth. 8 (early sonata) via surface form

"Piano Sonata No. 4 in C minor, Op. posth. 8 (early sonata)"

Triples (1)

Triples where some other subject referred to this entity as "Piano Sonata No. 4 in C minor, Op. posth. 8 (early sonata)".

Piano Sonatas → containsWork →
"Piano Sonata No. 4 in C minor, Op. posth. 8 (early sonata)"
↳ resolves to Piano Sonata No. 4 in C minor, Op. posth. 8 (early sonata)
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