Columbia subject headings:
Biography--Middle Ages, 500-1500--Congresses.
Middle Ages--Historiography--Congresses.
Prosopography--Congresses.
Harvard subject headings:
Biography--Middle Ages, 500-1500--Congresses.
Middle Ages--Historiography--Congresses
Prosopography--Congresses.
Princeton subject headings:
Biography--Middle Ages, 500-1500--Congresses.
Middle Ages--Historiography--Congresses.
Prosopography--Congresses.