Pacelli, Eugenio to Gasparri, Pietro from 24 December 1919, in: 'Kritische Online-Edition der Nuntiaturberichte Eugenio Pacellis (1917-1929)', document no. 7227, URL: www.pacelli-edition.de/en/Document/7227. Last access: 21-12-2024.Online since 04-06-2012, last modification 10-09-2018.