Columbia subject headings:
Congdon, William, 1912-1998--Exhibitions.
Venice (Italy)--In art--Exhibitions.
Harvard subject headings:
Congdon, William, 1912-1998--Exhibitions.
Venice (Italy)--In art--Exhibitions.
Princeton subject headings:
Congdon, William, 1912-1998--Exhibitions.
Venice (Italy)--In art--Exhibitions.