Untitled (animal eating, left page); Untitled (sketches of artist's uncle [Walter Pietschmann], right page)

Colored marker on paper

Black marker on paper

Ink on paper

Graphite on paper

Blue marker and black pen on paper

Colored marker and black pen on paper

Colored and metallic marker on paper, adhesive, and colored marker on paper

Graphite on paper

Graphite on paper

Black marker and black pen on paper

Watercolor and gouache over graphite on heavy cream wove paper

Black and red marker on paper