He complained that painting did not make enough money, so from 1511 to 1514 he concentrated on printmaking. The famous works he made in this period were the thirty-seven woodcuts for the "Little Passion", published first in 1511, and a set of fifteen small engravings on the same theme in 1512. In 1513 and 1514 he created his three most famous engravings, "The Knight, Death, and the Devil" (or simply, "The Knight", as he called it, 1513), "Melencolia I", and "St. Jerome in his Study" (both 1514).