Pacelli, Eugenio to Tedeschini, Federico from 12 April 1921, in: 'Kritische Online-Edition der Nuntiaturberichte Eugenio Pacellis (1917-1929)', document no. 11582, URL: www.pacelli-edition.de/en/Document/11582. Last access: 27-12-2024.Online since 14-05-2013, last modification 10-03-2014.