Pacelli, Eugenio to Gasparri, Pietro from 18 April 1924, in: 'Kritische Online-Edition der Nuntiaturberichte Eugenio Pacellis (1917-1929)', document no. 14930, URL: www.pacelli-edition.de/en/Document/14930. Last access: 29-09-2024.Online since 18-09-2015.