Columbia subject headings:
Art galleries, Commercial--Germany--History.
Art, Modern--20th century--Marketing--History.
Galerie Ferdinand Möller--History.
Harvard subject headings:
Art galleries, Commercial--Germany--History.
Art, German--20th century.
Art, Modern--20th century--Marketing--History.
Galerie Ferdinand Möller--History.
Galerie Ferdinand Möller.
Princeton subject headings:
Art galleries, Commercial--Germany.
Art, German--20th century.
Galerie Ferdinand Möller.