Study of a Tree Trunk Sawed in Half

Watercolor and gouache on cream wove paper, graphite framing lines

Black ink and graphite on tracing paper, mounted to laid paper

Black chalk, squared in graphite, on tracing paper

Watercolor and graphite

Graphite on cream antique laid paper

Watercolor, gouache, and graphite on cream wove paper

Black ink with gray wash and white gouache over graphite on blue paper, faded

Crayon

Graphite, prepared black chalk, white chalk, and touches of blue-green pastel on pink wove paper, squared in prepared black chalk

Black crayon, squared in black crayon, on off-white antique laid paper

Watercolor, brown ink and graphite on off-white wove "graph" paper