Pacelli, Eugenio to Pizzardo, Giuseppe from 27 January 1922, in: 'Kritische Online-Edition der Nuntiaturberichte Eugenio Pacellis (1917-1929)', document no. 12270, URL: www.pacelli-edition.de/en/Document/12270. Last access: 01-09-2024.Online since 31-07-2013, last modification 14-04-2014.