Columbia subject headings:
Harvard subject headings:
Intellectual life--History--Congresses.
Knowledge, Sociology of--History--Congresses.
Learning and scholarship--History--Congresses.
Research--History--Congresses.
Science, Ancient--History--Congresses.
Social change--History--Congresses.
Princeton subject headings:
Intellectual life--History--Congresses.
Knowledge, Sociology of--History--Congresses.
Learning and scholarship--History--Congresses.
Research--History--Congresses.
Science, Ancient--History--Congresses.
Social change--History--Congresses.