Columbia subject headings:
Dialogue in literature.
Dialogue--History--18th century.
French literature--18th century--History and criticism.
Philosophy, French--18th century.
Harvard subject headings:
Dialogue in literature.
Dialogue--History--18th century.
French literature--18th century--History and criticism
Idea (Philosophy)
Philosophy, French--18th century.
Rhetoric--France--History.
Princeton subject headings:
Dialogue in literature.
Dialogue--History--18th century.
French literature--18th century--History and criticism.
Idea (Philosophy)
Philosophy, French--18th century.
Rhetoric--France--History.