Genesis and structure: two approaches to the poetry of the Comedy, by N. Sapegno.
The poetry of the Comedy, by P. McNair.
Religion and philosophy in Dante, by K. Foster.
Dante's lyric poetry, by P. Boyde.
Dante's political thought, by U. Limentani.
Dante's views on language, by J. Cremona.
Dante and the English poets, by C. P. Brand.