Columbia subject headings:
Infinite--Congresses.
Phenomenology--Congresses.
Philosophy, Hungarian--Congresses.
Philosophy, Modern--Congresses.
Harvard subject headings:
Infinite--Congresses.
Phenomenology--Congresses.
Philosophy, Hungarian--Congresses.
Philosophy, Modern--Congresses.
Princeton subject headings:
Infinite--Congresses.
Phenomenology--Congresses.
Philosophy, Hungarian--Congresses.
Philosophy, Modern--Congresses.