Columbia subject headings:
German literature--19th century--History and criticism--Congresses.
Germany--History--Revolution, 1848-1849--Congresses.
Harvard subject headings:
German literature--19th century--History and criticism--Congresses
Germany--History--Revolution, 1848-1849--Congresses.
Princeton subject headings:
German literature--19th century--History and criticism--Congresses.
Germany--History--Revolution, 1848-1849--Congresses.