Columbia subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831--Congresses.
Philosophy of nature--Congresses.
Philosophy, German--19th century--Congresses.
Harvard subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831--Congresses.
Philosophy of nature--Congresses
Philosophy, German--19th century--Congresses.
Princeton subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831--Congresses.
Philosophy of nature--Congresses.
Philosophy, German--19th century--Congresses.