Columbia subject headings:
Anselm II, Saint, Bishop of Lucca, 1036-1086--Congresses.
Investiture--Congresses.
Mantua (Italy)--Church history--Congresses.
Harvard subject headings:
Anselm II, Saint, Bishop of Lucca, 1036-1086--Congresses.
Investiture--Congresses.
Mantua (Italy)--Church history--Congresses.
Princeton subject headings:
Anselm II, Saint, Bishop of Lucca, 1036-1086--Congresses.
Canon law.
Investiture.
Mantua (Italy)--Church history--Congresses.