Pacelli, Eugenio to Gasparri, Pietro from 12 October 1920, in: 'Kritische Online-Edition der Nuntiaturberichte Eugenio Pacellis (1917-1929)', document no. 15772, URL: www.pacelli-edition.de/en/Document/15772. Last access: 19-05-2024.Online since 30-04-2013, last modification 10-09-2018.