[23] Inferno, i. 121-123, ii. 52-142; Purgatorio, xxx. sqq.; Paradiso, passim.
[24] Paradiso, xvii. 103-142.
[25] Epistola x.
[26] Quæstio de Aqua et Terra, § 1.
[27] Canzone xvi., 'Le dolci rime,' st. vii. See Convito, trat. iv. Translation slightly altered from Lyell.
[28] Canzone xix., 'Tre donne.'
[29] De Vulgari Eloquio.
[30] Paradiso, xxv. 5.