Columbia subject headings:
Art, German--20th century--Exhibitions.
Art--Private collections--Germany--Bonn--Exhibitions.
Oppenheim, Ingrid--Art collections--Exhibitions.
Städtisches Kunstmuseum Bonn--Exhibitions.
Video art--Germany--Exhibitions.
Harvard subject headings:
Art, German--20th century--Exhibitions.
Art, Modern--20th century--Exhibitions
Oppenheim, Ingrid--Art collections--Exhibitions.
Städtisches Kunstmuseum Bonn--Exhibitions.
Video art--Germany--Exhibitions.
Princeton subject headings:
Art, German--20th century--Exhibitions.
Art--Private collections--Germany--Bonn--Exhibitions.
Oppenheim, Ingrid--Art collections--Exhibitions.
Städtisches Kunstmuseum Bonn--Exhibitions.
Video art--Germany--Exhibitions.