Columbia subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Hegel, Georg Wilhelm Friedrich, 1770-1831. Naturphilosophie.
Nature.
Harvard subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831--Views on nature.
Hegel, Georg Wilhelm Friedrich, 1770-1831. Naturphilosophie.
Princeton subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831--Contributions in philosophy of nature.
Science--Philosophy.