Pacelli, Eugenio to Gasparri, Pietro from 04 May 1923, in: 'Kritische Online-Edition der Nuntiaturberichte Eugenio Pacellis (1917-1929)', document no. 14165, URL: www.pacelli-edition.de/en/Document/14165. Last access: 29-06-2024.Online since 23-07-2014.