Canonical structural spine
The work's own structure
Reviewed edition: Vita Nuova, ed. Michele Barbi, SDI/DanteOnline. The P. Allegretti Vita Nova listed in preparation is excluded. Division axes: chapter → section. Structural nodes alone do not assert commentary citations.
Record-local commentary evidence
Commentary citations: work locus ↔ Dante locus
These citations occur in later commentary. They do not, by themselves, mean Dante cited this work.