Columbia subject headings:
Cosmopolitanism--Congresses.
Kant, Immanuel, 1724-1804--Congresses.
Harvard subject headings:
Kant, Immanuel, 1724-1804--Congresses.
Philosophy, German--18th century--Congresses.
Princeton subject headings:
Cosmopolitanism--Congresses.
Kant, Immanuel, 1724-1804--Congresses.