Columbia subject headings:
Philosophy in literature.
Religious thought--France--19th century.
Zola, Émile, 1840-1902--Philosophy.
Zola, Émile, 1840-1902--Religion.
Zola, Émile, 1840-1902. Germinal.
Harvard subject headings:
Philosophy in literature.
Religious thought--France--19th century.
Zola, Émile, 1840-1902--Philosophy.
Zola, Émile, 1840-1902--Religion.
Zola, Émile, 1840-1902. Germinal.
Princeton subject headings:
Philosophy in literature.
Religious thought--France--19th century.
Zola, Émile, 1840-1902--Philosophy.
Zola, Émile, 1840-1902--Religion and ethics.
Zola, Émile, 1840-1902. Germinal.