Study for the Last Supper
1494
Leonardo da Vinci
Manuscript page on the Sforza monument
1493
Double manuscript page on the Sforza monument (Casting mold of the head and neck)
Canal bridge
1495
Various figure studies
1490
The proportions of the head
Study of the Graduations of Shadows on Spheres
1492
Study of proportion
Study of horses
Studies of the sexual act and male sexual organ