A painting can be out of copyright and thephotograph of it can still be protected.

Studies of ten (?) heads and two ears (recto); Studies of three figures and a head (verso)

Gerard David (d. 1523)

ca. 1498 · Metalpoint on prepared paper; verso: black chalk

Woman Standing among the Friars (recto) Sketches of Heads (verso, left); Two Women (verso, right)

John Brown (d. 1787)

c. 1770–75 · Drawing, graphite and gray and black wash with point of brush

Sheet of Figure Studies and Ornamental Motifs (recto and verso)

Vincenzo Tamagni (d. 1530)

1520–30 · Pen and brown ink over leadpoint

Seated Male Figure with the Head of an Onlooker (recto); Standing Male Figure in a Monk's Habit (verso)

Bernardino Poccetti (d. 1612)

1548–1612 · Charcoal with traces of white chalk highlights

Standing Nude Female Figure (recto); Studies of a Kneeling Nude Female Figure and of a Man's Head (verso)

Carlo Cignani (d. 1719)

1620–30 · Red chalk on beige paper (recto and verso)

Young Woman on a Cloud with Three Figures (recto); Studies of an Old Man and a Hand (verso)

Francesco Furini (d. 1646)

17th century · Red chalk, highlighted with white chalk

(R.)Figure Studies: Standing Nude Figure, Putti, and a Man's Head (V.) Figure Studies: A Flying and a Standing Man

Giulio Carpioni (d. 1678)

1613–78 · Red chalk (recto and verso)

Head Studies of A Young Man Wearing a Hat and of a Black Man

Lucas Franchoys the Younger (d. 1681)

mid-17th century · Black and white chalk, on blue paper; framing lines in pen and black ink

Portrait of a Man (recto); A Male Torso in Jacket and the Head of a Child (verso)

Giuseppe Ghislandi ("Fra Vittore Galgario") (d. 1743)

1740s · Red chalk highlighted with white chalk (recto); red chalk (verso)

Man Smoking a Pipe (recto); Standing Man and Two Studies of His Head (verso)

Canaletto (Giovanni Antonio Canal) (d. 1768)

1697–1768 · Pen and brown ink, over traces of lead or graphite (recto); vertical ruled line in lead or graphite at center, standing men and study of profile head in pen and brown ink, over traces of graphite or lead; study of head in graphite (verso)

Head of a man and figure studies (recto). Minotaur with a maiden (verso)

Theodor Richard Edward von Holst (d. 1844)

1835–44 · Graphite

Studies of a Lion and a Female Nude (recto); Figure Studies (verso)

Eugène Delacroix (d. 1863)

ca. 1844 · Pen and brown ink (recto); graphite (verso) on heavy laid paper