Columbia subject headings:
Franko, Ivan, 1856-1916--Criticism and interpretation.
Zola, Émile, 1840-1902--Influence.
Harvard subject headings:
Franko, Ivan, 1856-1916--Criticism and interpretation.
Zola, Émile, 1840-1902--Influence--Franko.
Princeton subject headings:
Franko, Ivan I︠A︡kovych, 1856-1916--Criticism and interpretation.
Zola, Émile, 1840-1902--Influence--Franko.