Gasparri, Pietro to Pacelli, Eugenio from 27 October 1921, in: 'Kritische Online-Edition der Nuntiaturberichte Eugenio Pacellis (1917-1929)', document no. 5593, URL: www.pacelli-edition.de/en/Document/5593. Last access: 30-12-2024.Online since 14-05-2013.