Untitled (blank, left page); Untitled (German anti-aircraft gun, right page)

Graphite on envelope

Colored marker on paper

Colored crayons on paper

Graphite on paper

Colored marker on paper

Graphite on paper

Colored marker on paper

Ink, red wash, and gray gouache on paper

Black crayon on paper

Ink and graphite on paper

Ink, colored wash, and typewritten text on paper

Colored marker on paper