https://en.wikipedia.org/wiki/Oscar_Cantoni
https://press.vatican.va/content/salastampa/en/documentation/cardinali_biografie/cardinali_bio_cantoni_o.html
https://aleteia.org/2022/08/27/cardinal-cantoni-an-italian-in-red-for-a-martyred-diocese
https://www.clonline.org/en/current-events/articles/2022-03-11-oscar-cantoni-homily-giussani-centenary-mass
https://collegeofcardinalsreport.com/cardinals/oscar-cantoni/