https://www.vatican.va/content/john-paul-ii/la/apost_letters/1995/documents/hf_jp-ii_apl_19951001_catholicae-ecclesiae.html
Catholicae Ecclesiae - Littera apostolica
Venerabili Servo Dei Vincentio Vilar David Beatorum honores decernuntur
litteraapostolica
https://www.vatican.va/content/pius-xi/la/encyclicals/documents/hf_p-xi_enc_19370328_firmissimam-constantiam.html
Firmissimam constantiam, Epistula Encyclica de rei catholicae in Mexico condicione, d. 28 m. Martii...
Firmissimam constantiam, Epistula Encyclica, de rei catholicae condicione, Mexico, d. 28 m. Martii a. 1937
https://eml.wikipedia.org/wiki/De_catholicae_Ecclesiae_unitate?action=edit&redlink=1
Stai creando De catholicae Ecclesiae unitate - Wikipedia
staicreandodeunitatewikipedia