Columbia subject headings:
Art, Italian--15th century.
Art, Renaissance--Italy.
Piero, della Francesca, 1416?-1492--Criticism and interpretation.
Harvard subject headings:
Painters--Italy--Biography.
Piero, della Francesca, 1416?-1492--Criticism and interpretation.
Piero, della Francesca, 1416?-1492.
Princeton subject headings:
Piero, della Francesca, 1416?-1492--Criticism and interpretation.