Columbia subject headings:
Harvard subject headings:
Bad Kreuznach (Germany)--History--18th century.
Bad Kreuznach (Germany)--History--19th century.
Proust, Marcel, 1871-1922
Princeton subject headings:
Bad Kreuznach (Germany)--History--18th century.
Bad Kreuznach (Germany)--History--19th century.
Proust, Marcel, 1871-1922.