Columbia subject headings:
Harvard subject headings:
Ethics in literature--Congresses.
Ethics--Congresses
French literature--16th century--History and criticism--Congresses
French literature--17th century--History and criticism--Congresses
Literature and morals--Congresses.
Romance-language literature--History and criticism--Congresses.
Princeton subject headings:
Literature and morals--Congresses.
Romance-language literature--History and criticism--Congresses.