Title: Sanctissimi Domini Nostri Pii, divina providentia Papæ IX. epistola encyclica ad omnes patriarchas, primates, archiepiscopos, episcopos, aliosqve locorvm ordinarios gratiam et commvnionem cvm apostolica sede habentes
Subjects: Church and state, History
Places: Italy, Papal States
Time periods: 1815-1870