Vingerhoedskruid

Duizendblad

Willem Wenckebach

Study of Overgrown Trees; verso: Study of a Cypress and Two Overgrown Trees

Joseph Werner the Younger

Stokroos

Antoon Derkinderen

Design for a Stage Set at the Opéra, Paris

Eugène Cicéri

Viooltje

Willem Wenckebach

Page from the Ten Bamboo Studio Manual of Painting and Calligraphy

Illustrated by Hu Zhengyan

Carved panel and border ornament (recto). Sketches of leaves (verso) (Smaller Italian sketchbook, leaf 21)

Joseph Wright (Wright of Derby)

Tree branches (Smaller Italian sketchbook, leaf 30 recto)

Joseph Wright (Wright of Derby)

Bellflower

Hokusai School

Studie van een Oostindische kers

Antoon Derkinderen

Dead Pine, Storm King (from Sketchbook)

Daniel Huntington

Anatomische studie van de hersenen en zenuwen

anonymous