Columbia subject headings:
Harvard subject headings:
Germany--History--Revolution, 1848-1849--Congresses.
Neckar River Valley (Germany)--History--Congresses.
Rottweil (Germany)--History--Congresses.
Princeton subject headings:
Germany--History--Revolution, 1848-1849--Congresses.
Neckar River Valley (Germany)--History--Congresses.
Rottweil (Germany)--History--Congresses.