Columbia subject headings:
Science--History--Congresses.
Science--Social aspects--Congresses.
Technology--History--Congresses.
Technology--Social aspects--History--Congresses.
Harvard subject headings:
Humanities--Congresses.
Science and the humanities--Congresses.
Science--Philosophy--Congresses
Science--Political aspects--Congresses.
Science--Social aspects--Congresses
Technology--Congresses
Technology--Philosophy--Congresses
Technology--Political aspects--Congresses.
Technology--Social aspects--Congresses
Princeton subject headings: