Cranach the Elder, Judith with the Head of Holofernes

Portrait of a Young Woman (known as Sappho) from Pompeii

What is chiaroscuro?

Piero della Francesca, Madonna and Child with Saints, Angels, and Federico da Montefeltro

Alberti, Façade of Santa Maria Novella, Florence

Claus Sluter and Claus de Werve, Mourners, from the Tomb of Philip the Bold