Columbia subject headings:
Criticism--Poland--History--19th century.
Poland--Intellectual life--1795-1918.
Polish literature--19th century--History and criticism.
Positivism (Polish literature)
Harvard subject headings:
Criticism--Poland
Criticism--Poland--History--19th century.
Poland--Intellectual life--1795-1918
Polish literature--19th century--History and criticism.
Positivism (Polish literature)
Princeton subject headings:
Polish literature--19th century--History and criticism.