Pacelli, Eugenio to Tedeschini, Federico from 22 March 1921, in: 'Kritische Online-Edition der Nuntiaturberichte Eugenio Pacellis (1917-1929)', document no. 11579, URL: www.pacelli-edition.de/en/Document/11579. Last access: 27-12-2024.Online since 14-05-2013, last modification 10-03-2014.