Pacelli, Eugenio to Gasparri, Pietro from 12 April 1920, in: 'Kritische Online-Edition der Nuntiaturberichte Eugenio Pacellis (1917-1929)', document no. 9890, URL: www.pacelli-edition.de/en/Document/9890. Last access: 06-10-2024.Online since 14-01-2013.