Columbia subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831--Congresses.
Logic--Congresses.
Logic.
Harvard subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831. Wissenschaft der Logik. English--Congresses.
Logic--Congresses
Princeton subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831. Wissenschaft der Logik. English--Congresses.
Logic--Congresses.