Canonical structural spine
The work's own structure
Reviewed edition: Livy, Ab urbe condita; Weissenborn/Müller Teubner composite (1884–1911), Perseus Latin edition 2. Source-encoded labels retain the source revision warnings; summaries and missing notices are distinct from narrative books. Division axes: . 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.