Columbia subject headings:
Harvard subject headings:
Culture conflict--France--History--19th century.
Culture conflict--France--History--20th century.
France--Politics and government--1870-1940.
French literature--19th century--History and criticism
French literature--20th century--History and criticism
Princeton subject headings:
Decadence (Literary movement)
French literature--19th century--History and criticism.
French literature--20th century--History and criticism.