Graphite on paper
Oil on popular Panel
Pen and black ink with wash
Black chalk
Bronze
Red chalk
Pen and ink, black chalk on pa
Oil on panel
Pen and ink
Red and black chalks on pale red prepared paper
Black chalk, pen and ink on pa
Oil on panel transferred to ca
Black chalk, charcoal, and red chalk, with some traces of white chalk (?); some remains of framing outline in pen and brown ink at upper right (not by Leonardo)
Chalk on paper
Charcoal (and wash?) heightened with white chalk on paper, mounted on canvas
Pen, ink, red chalk on red pre
Pen and brown ink; soft black chalk or charcoal (recto); soft black chalk or charcoal (verso)
Oil on poplar, thinned and cradled
Pen and black ink over pencil
Pen and ink over red chalk on
Red chalk on brownish paper
Metalpoint, black and red chal
Red chalk and pencil
Black chalk, white highlights
Black chalk, pen and ink
Pen and ink with brown wash over a little black chalk
Pen and ink, watercolour and bodycolour over black chalk
Charcoal, pen and ink on paper
Oil on canvas
Charcoal, pen and watercolour
Black chalk, wash and white hi
Black chalk, brush and ink on
Red chalk with white highlight
Lead pencil, pen and ink on pa
Red chalk and silverpoint on r
Slate pencil on prepared paper
White paper (now darkened)
Black and red chalk, yellow pa
Pen on paper
Tempera on plaster
Fresco and tempera
Pen and brown ink (recto and verso)
Red chalk on red prepared pape
Red chalk, pen and ink on pape
Black chalk, red chalk and pas
Silverpoint on prepared paper
Pen, ink, red chalk on paper
Gray prepared paper
Silverpoint on greenish prepar
Tempera on canvas
Pen, ink and black chalk on pa
Black chalk on paper
Metalpoint on blue prepared paper
Silverpoint and white highligh
Silverpoint on light buff prepared paper
Pen and ink, traces of silverp
Silverpoint, partly reworked by the artist with pen and dark brown ink on pink prepared paper; lines ruled with metalpoint (recto); pen and brown ink (verso)
Pen and ink over silverpoint o
Oil on canvas transferred from
Silverpoint on paper
Tempera on wood
Pen, ink and white pigment on
Drawing
Silverpoint