Columbia subject headings:
Philosophy, French--19th century--Congresses.
Philosophy, French--20th century--Congresses.
Philosophy, German--Influence--Congresses.
Harvard subject headings:
Philosophy, German--19th century--Congresses.
Philosophy, German--20th century--Congresses.
Philosophy--France--History--19th century--Congresses.
Philosophy--France--History--20th century--Congresses.
Princeton subject headings:
Philosophy, German--19th century--Congresses.
Philosophy, German--20th century--Congresses.
Philosophy--France--History--19th century--Congresses.
Philosophy--France--History--20th century--Congresses.