Transcript text: Match this image to the correct artist and title.
a.) Robert Campin, Mérode Altarpiece
b.) Petrus Christus, A Goldsmith in His Shop
c.) The Limbourg brothers, the Very Rich Hours of the Duke of Berry (Très Riches Heures du Duc de Berry)
d.) Hieronymus Bosch, Garden of Earthly Delights