Columbia subject headings:
Harvard subject headings:
Alchemy--Europe--History--Congresses.
Avant-garde (Aesthetics)--Europe--Congresses.
Science and the arts--Europe--History--Congresses.
Princeton subject headings:
Alchemy--Europe--History--Congresses.
Avant-garde (Aesthetics)--Europe--Congresses.
Science and the arts--Europe--History--Congresses.