Columbia subject headings:
Essentialism (Philosophy)--Congresses.
Hegel, Georg Wilhelm Friedrich, 1770-1831--Congresses.
Hegel, Georg Wilhelm Friedrich, 1770-1831. Wissenschaft der Logik--Congresses.
Logic--Congresses.
Ontology--Congresses.
Harvard subject headings:
Essentialism (Philosophy)--Congresses.
Hegel, Georg Wilhelm Friedrich, 1770-1831--Congresses.
Logic--Congresses
Princeton subject headings:
Essentialism (Philosophy)--Congresses.
Hegel, Georg Wilhelm Friedrich, 1770-1831--Congresses.
Hegel, Georg Wilhelm Friedrich, 1770-1831. Wissenschaft der Logik--Congresses.
Logic--Congresses.
Ontology--Congresses.