Untitled (calculations, left page); Untitled (cityscape [in ruins?], right page)

Black marker on paper

Watercolor on paper

Watercolor and graphite on brown paper

Transparent and opaque watercolor over graphite on cream wove paper

Acrylic over graphite on white wove paper

Colored marker on paper

Black crayon on paper

Graphite with blue, purple, and yellow crayon on paper

Graphite on paper

Graphite on paper

Opaque and transparent watercolor, black ink, black chalk, pastel, crayon, and graphite on off-white modern laid paper

Colored marker on paper