Sketchbook

Sketchbook

Sketchbook

Sketchbook

Sketchbook

Sketchbook

Sketchbook, Fish

Sketchbook, Bird

Sketchbook, Mammal

Sketchbook, Insect

Sketchbook

Sketchbook No. 27

Sketchbook, Turkey

Sketchbook No. 23 (France)

Sketchbook No. 34 (Japan)

Sketchbook

Sketchbook

Sketchbook

Sketchbook No. 36 (Japan: Kamakura)

Sketchbook, Winter

Sketchbook, Summer

Sketchbook No. 17 (Japan: Ōiso etc.)

Sketchbook No. 39 (Holland: Muiden and Sluis)

Sketchbook, Spring vol. 1

Sketchbook, Spring vol. 2