Columbia subject headings:
Form (Philosophy)--Congresses.
Science--Philosophy--Congresses.
Structuralism--Congresses.
Harvard subject headings:
Form (Philosophy)--Congresses.
Science--Philosophy--Congresses
Structuralism--Congresses.
Princeton subject headings:
Form (Philosophy)--Congresses.
Science--Philosophy--Congresses.
Structuralism--Congresses.