Giussani, Luigi. “Fr Giussani: I Am Zero, God Is All.” By Dino Boffo. Litterae Communionis-Traces, 10 (2002): 9-11. [Also available at the following link: https://english.clonline.org/stories/encounters/2002/11/01/fr-giussani-i-am-zero-god-is-all?hl=zer. Translation].