Pacelli, Eugenio to Gasparri, Pietro from 20 August 1924, in: 'Kritische Online-Edition der Nuntiaturberichte Eugenio Pacellis (1917-1929)', document no. 14987, URL: www.pacelli-edition.de/en/Document/14987. Last access: 04-04-2025.Online since 18-09-2015.