1827
Leonardo da Vinci, 1800
Leonardo da Vinci, 1835
Leonardo da Vinci, 1470
Leonardo da Vinci
Leonardo da Vinci, 1472
Leonardo da Vinci, 1840
![Study of a Madonna [verso]](https://api.nga.gov/iiif/942425d5-018d-44a9-ba87-dfb0057226b7/full/843,/0/default.jpg)
![Sheet of Studies [recto]](https://api.nga.gov/iiif/49c325bf-6243-46eb-8215-f8830fd15641/full/843,/0/default.jpg)
