Cahiers du devoir de vacances, Keosters, February 1965

Watercolor and black chalk

Black ink and white gouache on cream wove paper

Black crayon on buff paper

Brown ink and brown wash over graphite on cream modern laid paper, with framing line in brown ink; verso: gray wash and red chalk (or red wash), rubbed

Graphite, colored pencil and black ink on off-white wove paper

Oil on paper

Watercolor and graphite on cream wove paper

Black ink on cream wove paper

Black crayon with touches of red and blue on tracing paper

Watercolor and gouache on paper

Graphite and colored chalk on white board