Columbia subject headings:
Dreyfus, Alfred, 1859-1935.
Zola, Émile, 1840-1902--Trials, litigation, etc.
Zola, Émile, 1840-1902.
Harvard subject headings:
Dreyfus, Alfred, 1859-1935
Zola, Émile, 1840-1902--Trials, litigation, etc.
Princeton subject headings: