Ginevra de' Benci

Madonna of the Carnation

Virgin of the Rocks

Mona Lisa

The Virgin and Child with Saint Anne

The Virgin and Child with Saint Anne and Saint John the Baptist

Virgin of the Rocks

Wreath of Laurel, Palm, and Juniper with a Scroll inscribed Virtutem Forma Decorat [reverse]

Saint John the Baptist

Lady with an Ermine

La Belle Ferronnière

The Head of the Virgin in Three-Quarter View Facing Right

Study of a fruiting bur reed (Sparganium erectum)

Sowerbaea juncea

Sisymbrium Cumingianum

Axenfeld

Deluge and Storm over a Wooded Region

Four Prints from the Series ‘Flowers of a Hundred Worlds’

Bromus Maximus, Genoa

Bird's Nest in Cattails

[Dandelion Seeds]

Study of a Spray of Blackberry (Rubus fruticosus)

Storm Clouds over a River or Lake and Trees

[Wild Fennel]