![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]
Leonardo da Vinci (1452–1519)
drawing by Leonardo da Vinci in the National Gallery of Art
- Date1470
- Mediumpen
- Dimensions16.4 × 13.9 cm
- On display atNational Gallery of Art
Washington, D.C., Vereinigte Staaten
_(cropped).jpg/500px-Annunciation_(Leonardo)_(cropped).jpg)
_-_National_Gallery_of_Art_(Samuel_H._Kress_Foundation).jpg/500px-The_Emperor_Napoleon_in_His_Study_at_the_Tuileries%2C_by_Jacques-Louis_David_(1812)_-_National_Gallery_of_Art_(Samuel_H._Kress_Foundation).jpg)