Columbia subject headings:
Harvard subject headings:
Art thefts--Germany--Berlin--History--20th century.
Art--Collectors and collecting--Germany--Berlin--History--20th century.
National socialism and art--Germany--Berlin.
Princeton subject headings:
Art thefts--Germany--Berlin--History--20th century.
Art--Collectors and collecting--Germany--Berlin--History--20th century.
National socialism and art--Germany--Berlin.