Columbia subject headings:
Bohemia (Czech Republic)--History--Sources.
Thirty Years' War, 1618-1648--Sources.
Harvard subject headings:
Bohemia (Czech Republic)--History--Sources.
Thirty Years' War, 1618-1648--Sources
Princeton subject headings:
Bohemia (Czech Republic)--History--Sources.
Thirty Years' War, 1618-1648--Sources.