Columbia subject headings:
Knowledge, Theory of--Congresses.
Science--History--Congresses.
Science--Philosophy--History--Congresses.
Harvard subject headings:
Knowledge, Theory of--Congresses
Science--History--Congresses
Science--Philosophy--History--Congresses.
Princeton subject headings:
Knowledge, Theory of--Congresses.
Science--History--Congresses.
Science--Philosophy--History--Congresses.