Columbia subject headings:
Saarland (Germany)--History.
Harvard subject headings:
Saarland (Germany)--History--19th century.
Saarland (Germany)--History--20th century.
Princeton subject headings:
Saarland (Germany)--Anniversaries, etc.
Saarland (Germany)--History--19th century.
Saarland (Germany)--History--20th century.