Study of a Tuscan Landscape, c. 1473

Study of Arms and Hands, c. 1474

Designs for a Boat, c. 1485-7

An Artillery Park, c. 1487

Grotesque Profile, c. 1487-90

Design for a Flying Machine, c. 1488

Design for a Flying Machine, c. 1488

Proportions of the Head, c. 1488-9

Study for the Sforza Monument, c. 1488-9

View of a Skull, c. 1489

View of a Skull, c. 1489

View of a Skull, c. 1489

Study of a Womb, c. 1489

Five Characters in a Comic Scene, c. 1490

Ill-matched Couple, c. 1490

Studies of Concave Mirrors of Differing Curvatures, c. 1492

Study of the Gradations of Shadows on Spheres, c. 1492

Coition of a Hemisected Man and Woman, c. 1492

Stretching Device for a Barrel Spring, c. 1498

Anatomy of a Male Nude, c 1504-6

A Grotesque Head, c. 1504-7

Design for a Flying Machine, c. 1505

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

Study for the Kneeling Leda, c. 1505-7

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

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

Sedge, c. 1510

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

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

Head of Saint Anne, c. 1510-5

Old Man with Water Studies, c. 1513

Possible Self-Portrait, c. 1513

Anatomy of the Neck, c. 1515

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

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

Study of Skeletons

Vitruvian Man

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

Study of a Figure for the Battle of Anghiari

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