Nineteenth Century
Pope Pius IX (1792–1878)
Longest-reigning pope; defined the Immaculate Conception and convened Vatican I.
Pope Pius IX (1792–1878) appears in our authors list under Nineteenth Century, as a pope. This page lists 2 books in the Isidore Index, each linked to its catalog record with a rights badge.
Books in the Isidore Index
Each title opens its catalog record on isidore.co. We do not host these books; the badge says what the record allows.
- Les actes pontificaux cités dans l'encyclique et le syllabus du 8 décembre 1864, suivis de divers autres documents (1865) Rights: Unknown
- Études sur la liberté religieuse dans la doctrine catholique (2025) Rights: Link only
All their books in the Isidore Index · Browse the Isidore Index
Saint
Blessed (1792–1878, Wikidata). Vatican News “Saint of the day”: 7 February. Saints & Hagiography
At a glance
Era: Nineteenth Century. Pope.