Studies for the Libyan Sibyl (recto); Studies for the Libyan Sibyl and a small Sketch for a Seated Figure (verso)Michelangelo Buonarroti, ca. 1510–11
Compositional Sketches for the Virgin Adoring the Christ Child, with and without the Infant St. John the Baptist; Diagram of a Perspectival Projection (recto); Slight Doodles (verso)Leonardo da Vinci, 1480–85
Study for "The Martyrdom of Saint Sebastian" (for the Augustinian monastery at Diessen, Germany)Giovanni Battista Tiepolo, 1739
