Columbia subject headings:
Harvard subject headings:
Courtesy in literature--Congresses.
Courtesy in literature.
Cultural relations in literature--Congresses.
Etiquette--France--History--Congresses.
Etiquette--Germany--History--Congresses.
Etiquette--Germany--History.
French language--Rhetoric--History--Congresses.
French literature--History and criticism--Congresses
German language--Rhetoric--History--Congresses.
German language--Rhetoric--History.
German literature--History and criticism
German literature--History and criticism--Congresses
Interpersonal relations in literature.
Princeton subject headings:
Courtesy in literature--Congresses.
Cultural relations in literature--Congresses.
Etiquette--France--History--Congresses.
Etiquette--Germany--History--Congresses.
French language--Rhetoric--History--Congresses.
French literature--History and criticism--Congresses.
German language--Rhetoric--History--Congresses.
German literature--History and criticism--Congresses.