Master IB, Children Harvesting Grapes, 1450, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8718 Master IB, Fortitudo, 1450, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8728 Master IB, Spes (Hope), 1450, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8727 Master IB, Ornament with Fantastic Satyr and Dolphins, 1450, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8722 Master IB, Bagpipe Player with His Lover, 1450, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8723 Master IB, Iusticia (Justice), 1450, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8726 Master IB, Temperantia (Temperance), c. 1525, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8725 Master IB, Sheath with Warrior, 1528, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8721 Master IB, The Triumph of Bacchus, 1528, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8719 Master IB, Sol (The Sun), 1528, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8729 Master IB, Emblem with Hope, Tribulation, Envy, and Tolerance, 1529, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8724 Master IB, Marcus Curtius, 1529, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8730 Master IB, Martin Luther, 1530, engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8731