![Sheet of Studies [recto]](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Leonardo_da_Vinci%2C_Sheet_of_Studies_(recto)%2C_probably_1470-1480%2C_NGA_74163.jpg/1280px-Leonardo_da_Vinci%2C_Sheet_of_Studies_(recto)%2C_probably_1470-1480%2C_NGA_74163.jpg)
Wikimedia Commons
Sheet of Studies [recto]
Léonard de Vinci (1452–1519)
drawing by Leonardo da Vinci in the National Gallery of Art
- Date1470
- Techniquepen
- Dimensions16.4 × 13.9 cm
- Exposée àNational Gallery of Art
Washington, États-Unis
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