Columbia subject headings:
Art brut--Exhibitions.
Art--Portugal--São João da Madeira--Exhibitions.
Centro de Arte Oliva--Exhibitions.
Saint-Silvestre, Antonio, 1946---Art collections--Exhibitions.
Treger, Richard--Art collections--Exhibitions.
Harvard subject headings:
Art brut--Exhibitions.
Art--Portugal--São João da Madeira--Exhibitions.
Centro de Arte Oliva--Exhibitions.
Saint-Silvestre, Antonio, 1946---Art collections--Exhibitions.
Treger, Richard--Art collections--Exhibitions.
Princeton subject headings:
Art brut--Exhibitions.
Art--Portugal--São João da Madeira--Exhibitions.
Centro de Arte Oliva--Exhibitions.
Saint-Silvestre, Antonio, 1946---Art collections--Exhibitions.
Treger, Richard--Art collections--Exhibitions.