Columbia subject headings:
New Land Marks (Program)--Exhibitions.
Public art--Pennsylvania--Philadelphia--Exhibitions.
Harvard subject headings:
Installations (Art)--Exhibitions
New Land Marks (Program)--Exhibitions.
Public art--Pennsylvania--Philadelphia--Exhibitions.
Princeton subject headings:
Artists and community--Pennsylvania--Philadelphia--History--20th century--Exhibitions.
Community arts projects--Pennsylvania--Philadelphia--Exhibitions.
Public art--Pennsylvania--Philadelphia--History--20th century--Exhibitions.