Plate 2: At top, the head of a young man, frontal view, at bottom, four eyes, from "The Book for Learning to Draw" (Livre pour apprendre à dessiner)

Plate 10: Head of a Man without a Beard, Turned in Profile to the Right, from "Various heads and figures" (Diverses têtes et figures)

Stefano della Bella, Israël Henriet

Hoofd van man, opziend

Leendert van der Cooghen

Head of a young man in profile, from "Various Portraits" (Recueil de Diverses Piéces Servant à l'Art de Portraiture)

Stefano della Bella, François Langlois

Death Mask

Georg Christoph Eimmart, the Younger

Hoofd van een man

Leendert van der Cooghen

Head of an Apostle

circle of Anthony van Dyck

Portrait of the artist

Marcellin Desboutin, Marcellin Desboutin

Head of a Bearded, Young Man in Profile Facing Right

Bronzino (Agnolo di Cosimo di Mariano)

Self-portrait with Tousled Hair

Rembrandt van Rijn

Portret van Constantijn Huygens I

Unknown Artist

Manskop

Albertus Brondgeest

Philippe Le Roy

Anthony van Dyck