Columbia subject headings:
Philosophy, German--19th century--Congresses.
Philosophy, German--20th century--Congresses.
Rickert, Heinrich, 1863-1936--Congresses.
Harvard subject headings:
Philosophy, German--19th century--Congresses.
Philosophy, German--20th century--Congresses.
Rickert, Heinrich, 1863-1936--Congresses.
Princeton subject headings:
Philosophy, German--19th century--Congresses.
Philosophy, German--20th century--Congresses.
Rickert, Heinrich, 1863-1936--Congresses.