Columbia subject headings:
German literature--Publishing--History--19th century.
Publishers and publishing--Germany--History--19th century.
Harvard subject headings:
Europe, German-speaking--Intellectual life--19th century--Congresses.
German literature--Publishing--History--19th century--Congresses.
Publishers and publishing--Germany--History--19th century--Congresses.
Princeton subject headings:
German literature--Publishing--History--19th century.
Publishers and publishing--Germany--History--19th century.