Columbia subject headings:
Harvard subject headings:
Constitutional history--Germany--Schleswig-Holstein--Sources.
Constitutional history--Germany--Schleswig-Holstein.
Schleswig-Holstein (Germany)--History--19th century--Sources.
Schleswig-Holstein (Germany)--History--19th century.
Schleswig-Holstein (Germany)--Politics and government--19th century--Sources.
Schleswig-Holstein (Germany)--Politics and government--19th century.
Waterloo, Battle of, Waterloo, Belgium, 1815--Anniversaries, etc.
Princeton subject headings:
Constitutional history--Germany--Schleswig-Holstein--Sources.
Constitutional history--Germany--Schleswig-Holstein.
Schleswig-Holstein (Germany)--History--19th century--Sources.
Schleswig-Holstein (Germany)--History--19th century.
Schleswig-Holstein (Germany)--Politics and government--19th century--Sources.
Schleswig-Holstein (Germany)--Politics and government--19th century.
Waterloo, Battle of, Waterloo, Belgium, 1815--Anniversaries, etc.