Columbia subject headings:
Harvard subject headings:
Artist colonies--Switzerland--Hellsau--Exhibitions.
Painting, Modern--19th century--Switzerland--Hellsau--Exhibitions.
Painting, Swiss--Switzerland--Hellsau--Exhibitions.
Princeton subject headings:
Artist colonies--Switzerland--Exhibitions.
Painting, Modern--19th century--Switzerland--Exhibitions.
Painting, Modern--20th century--Switzerland--Exhibitions.
Painting, Swiss--Exhibitions.