Columbia subject headings:
Conceptual art--Germany (West)--Exhibitions.
Haacke, Hans, 1936---Exhibitions.
Harvard subject headings:
Haacke, Hans, 1936---Exhibitions.
Haacke, Hans, 1936---Interviews.
Princeton subject headings:
Conceptual art--Germany (West)--Exhibitions.
Haacke, Hans, 1936---Exhibitions.