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

Black marker on paper

Colored crayon on paper

Graphite on paper

Graphite on tan wove paper

Colored marker and black pen on paper

Charcoal and colored pencil on paper

Colored marker on paper

Graphite ; ink on paper

Graphite on paper

Colored marker on paper

Colored marker on paper

Black crayon on paper