Columbia subject headings:
Landscape drawing, European--Exhibitions.
Landscape painting, European--Exhibitions.
Ticino (Switzerland)--In art--Exhibitions.
Harvard subject headings:
Landscape drawing, European--Exhibitions.
Landscape painting, European--Exhibitions.
Ticino (Switzerland) in art--Exhibitions.
Princeton subject headings:
Landscape drawing, European--Exhibitions.
Landscape painting, European--Exhibitions.
Ticino (Switzerland)--In art--Exhibitions.