Columbia subject headings:
Physics--Philosophy--Congresses.
Schelling, Friedrich Wilhelm Joseph von, 1775-1854.
Science--Philosophy--Congresses.
Harvard subject headings:
Physics--Philosophy--Congresses
Schelling, Friedrich Wilhelm Joseph von, 1775-1854
Science--Philosophy--Congresses
Princeton subject headings:
Philosophy of nature--Congresses.
Schelling, Friedrich Wilhelm Joseph von, 1775-1854--Congresses.