Works & passages
De amicitia
Works & passages
De officiis
Works & passages
De senectute
Works & passages
Tusculan Disputations
Dante's Text
Cicero in the poem
Reviewed references to the person. These do not by themselves establish a quotation from a work.
Later Commentary
Begin from a place in Dante
Follow commentary references to Cicero and citations of the works, grouped by the passage being commented on.
About & sources
Names, text and evidence
Names found in the source material
Forms of the work titles
De amicitia
De amicitiaAmicitiaAmic.
De officiis
De officiisOfficiaOffic.Degli uffici
De senectute
De senectuteSenectuteSenect.
Tusculan Disputations
Edition and evidence sources
The work tree shows accepted coordinates from later commentary. Reviewed edition structures support its hierarchy and inline text; they do not themselves establish citations.