Columbia subject headings:
Harvard subject headings:
Alas, Leopoldo, 1852-1901--Criticism and interpretation.
Naturalism in literature.
Pérez Galdós, Benito, 1843-1920--Criticism and interpretation.
Zola, Émile, 1840-1902--Criticism and interpretation.
Princeton subject headings:
Alas, Leopoldo, 1852-1901--Criticism and interpretation.
Naturalism in literature.
Pérez Galdós, Benito, 1843-1920--Criticism and interpretation.
Zola, Émile, 1840-1902--Criticism and interpretation.