Columbia subject headings:
Harvard subject headings:
Families in literature.
History in literature.
Zola, Émile, 1840-1902--Criticism and interpretation.
Zola, Émile, 1840-1902--Literary style.
Zola, Émile, 1840-1902--Themes, motives.
Zola, Émile, 1840-1902. Fortune des Rougon.
Princeton subject headings:
Zola, Émile, 1840-1902. Fortune des Rougon.