Columbia subject headings:
Mary, Blessed Virgin, Saint--Art--Exhibitions.
Painting--Conservation and restoration--Italy--Exhibitions.
Piero, della Francesca, 1416?-1492. Senigallia Madonna--Exhibitions.
Harvard subject headings:
Mary, Blessed Virgin, Saint--Art--Exhibitions.
Painting, Italian--Conservation and restoration--Italy--Senigallia--Exhibitions.
Painting, Renaissance--Conservation and restoration--Italy--Senigallia--Exhibitions.
Piero, della Francesca, 1416?-1492. Madonna di Senigallia--Exhibitions.
Princeton subject headings:
Art.
Mary, Blessed Virgin, Saint--Art--Exhibitions.
Painting, Italian--Conservation and restoration--Italy--Senigallia--Exhibitions.
Painting, Renaissance--Conservation and restoration--Italy--Senigallia--Exhibitions.
Piero, della Francesca, 1416?-1492. Madonna di Senigallia--Exhibitions.