Existential

1

Dante Alighieri. The Divine Comedy: Volume 1: Inferno. Penguin Classics, 1984. URL: https://www.gutenberg.org/cache/epub/997/pg997-images.html.

2

Dante Alighieri. The Divine Comedy: Volume 2: Purgatorio. Penguin Classics, 1984. URL: https://www.gutenberg.org/cache/epub/998/pg998-images.html.

3

Dante Alighieri. The Divine Comedy: Volume 3: Paradiso. Penguin Classics, 1984. URL: https://www.gutenberg.org/cache/epub/999/pg999-images.html.