Columbia subject headings:
Harvard subject headings:
Art museums--Germany--Hagen (Arnsberg)--20th century.
Art, German--Germany--Hagen (Arnsberg)--20th century.
Emil Schumacher Museum.
Princeton subject headings:
Art museums--Germany--Hagen (Arnsberg)--20th century.
Art, German--Germany--Hagen (Arnsberg)--20th century.
Emil Schumacher Museum.
Fiction.