Columbia subject headings:
Harvard subject headings:
Schleswig-Holstein (Germany)--Biography--Pictorial works.
Schleswig-Holstein (Germany)--History--Pictorial works.
Schleswig-Holstein (Germany)--History.
Princeton subject headings:
Schleswig-Holstein (Germany)--Biography--Pictorial works.
Schleswig-Holstein (Germany)--History--Pictorial works.
Schleswig-Holstein (Germany)--History.