Master of the Female Half-Lengths (Flemish, active 1520-1550)
Master of the Osservanza (Italian, 15th Century)
Gherardo Starnina (Italian, c. 1360–1413)
Marco Bello (Italian, c. 1470 – 1523)
Giovanni di Paolo (Italian, c. 1403–1482)
Giovanni di Bartolomeo Cristiani (Italian, ca. 1340 - ca. 1398)