Columbia subject headings:
Vatican Council (1st : 1869-1870 : Basilica di San Pietro in Vaticano)
Harvard subject headings:
Vatican Council (1st : 1869-1870 : Basilica di San Pietro in Vaticano)
Princeton subject headings:
Catholic Church--Doctrines--History--19th century.
Theology, Doctrinal--History--19th century.
Vatican Council (1st : 1869-1870)