Columbia subject headings:
Mary, Blessed Virgin, Saint--Art--Exhibitions.
Panel painting, Renaissance--Italy--Sansepolcro.
Piero, della Francesca, 1416?-1492. Altarpiece of the Madonna of Mercy--Exhibitions.
Harvard subject headings:
Mary, Blessed Virgin, Saint--Art--Exhibitions.
Painting, Renaissance--Italy--Exhibitions.
Piero, della Francesca, 1416?-1492. Altarpiece of the Madonna of Mercy--Exhibitions.
Princeton subject headings:
Mary, Blessed Virgin, Saint--Art--Exhibitions.
Panel painting, Renaissance--Italy--Sansepolcro.
Piero, della Francesca, 1416?-1492. Altarpiece of the Madonna of Mercy--Exhibitions.