Columbia subject headings:
Art--Italy--Sansepolcro--History--Sources.
Piero, della Francesca, 1416?-1492.
Harvard subject headings:
Painters--Italy--15th century--Biography--Sources.
Painters--Italy--Biography--Sources.
Painting, Italian--15th century--Sources.
Piero, della Francesca, 1416?-1492--Sources.
Piero, della Francesca, 1416?-1492.
Princeton subject headings:
Art--Italy--Sansepolcro--History--Sources.
Piero, della Francesca, 1416?-1492.