Columbia subject headings:
Authors, French--19th century--Correspondence--Congresses.
Zola, Émile, 1840-1902--Correspondence--Congresses.
Zola, Émile, 1840-1902--Criticism and interpretation--Congresses.
Harvard subject headings:
Authors, French--19th century--Correspondence
Zola, Émile, 1840-1902--Bibliography--Congresses.
Zola, Émile, 1840-1902--Correspondence--Congresses.
Princeton subject headings:
Authors, French--19th century--Correspondence.
Zola, Émile, 1840-1902--Bibliography--Congresses.
Zola, Émile, 1840-1902--Correspondence--Congresses.