Columbia subject headings:
Germany--Relations--Sweden.
Sweden--Relations--Germany.
Swedes--Germany, Southern.
Harvard subject headings:
Princeton subject headings:
Baden-Württemberg (Germany)--History--Congresses.
Sweden--History--Congresses.
Thirty Years' War, 1618-1648--Campaigns--Germany--Baden-Württemberg--Congresses.
Thirty Years' War, 1618-1648--Campaigns--Sweden--Congresses.