Columbia subject headings:
Baudelaire, Charles, 1821-1867--Congresses.
Baudelaire, Charles, 1821-1867--Criticism and interpretation.
Harvard subject headings:
Baudelaire, Charles, 1821-1867--Congresses.
Baudelaire, Charles, 1821-1867--Criticism and interpretation.
Princeton subject headings:
Baudelaire, Charles, 1821-1867--Criticism and interpretation--Congresses.