Columbia subject headings:
Historians--20th century--Biography--Congresses.
Medievalists--20th century--Biography--Congresses.
Middle Ages--Historiography--Congresses.
Harvard subject headings:
Historians--20th century--Biography--Congresses.
Medievalists--20th century--Biography--Congresses.
Middle Ages--Historiography--Congresses
Nationalism--Congresses
Princeton subject headings:
Historians--20th century--Biography--Congresses.
Medievalists--20th century--Biography--Congresses.
Middle Ages--Historiography--Congresses.