Study of Horse and Rider, c. 1481

Study of Horse and Rider, c. 1480

Man with a Staff, c. 1476-1480

Study of Arms and Hands, c. 1474

Study of a Tuscan Landscape, c. 1473

Proportions of the Head, c. 1488-9

Design for a Flying Machine, c. 1488

Design for a Flying Machine, c. 1488

Study of a Young Woman in Profile, c. 1485-7

An Artillery Park, c. 1487

Designs for a Boat, c. 1485-7

Five Characters in a Comic Scene, c. 1490

Proportions of the Face and Eye, c. 1489

Study of a Womb, c. 1489

View of a Skull, c. 1489

View of a Skull, c. 1489

View of a Skull, c. 1489

Study for the Sforza Monument, c. 1488-9

Study for the Last Supper, c. 1495

Coition of a Hemisected Man and Woman, c. 1492

Studies of Concave Mirrors of Differing Curvatures, c. 1492

Study of a Woman, c. 1490

The Principal Organs and Vascular and Urino-Genital Systems of a Woman, c. 1507

Study for the Kneeling Leda, c. 1505-7

Study for the Head of Leda, c. 1505-7

Design for a Flying Machine, c. 1505

Anatomy of a Male Nude, c 1504-6

Stretching Device for a Barrel Spring, c. 1498

Studies of the Shoulder and Neck, c. 1509-1510

Studies of the Shoulder and Neck, c. 1509-1510

Studies of the Shoulder and Neck, c. 1509-1510

Studies of Water passing Obstacles and falling, c. 1508-9

Study of Brain Physiology, c. 1508

Study for the Trivulzio Monument, c. 1508

Anatomy of the Neck, c. 1515

Possible Self-Portrait, c. 1513

Old Man with Water Studies, c. 1513

Study of Cats and Other Animals c. 1513

Head of Saint Anne, c. 1510-5

Views of a Fetus in the Womb, c. 1510-12

Studies of the Arm showing the Movements made by the Biceps, c. 1510

Detail from a Study of a Dragon Costume, c. 1517-8

Masquerader in the guise of a Prisoner, c. 1517-8

Study of Skeletons

Peter Paul Ruben's copy of the lost Battle of Anghiari, c. 1603