Untitled (bleed-through of previous page, left page); Untitled ("International Alarm," right page)

Graphite on paper

Black and white chalk, squared in black chalk, on blue paper faded to gray-green within previous mat opening. Verso: Academic study of a male nude.

Oil paint on offset lithograph, 1989 edition of Flora de la Real Expedición Botánica del Nuevo Reino de Granada (1783-1810)

Graphite and brown wash on buff laid paper

Colored marker on paper

Brown ink on thin off-white wove paper

Graphite on paper

Transparent and opaque watercolor on wove paper

Crayon on paper

Graphite and white chalk on tan wove paper, darkened.

Graphite on off-white wove paper

Spray paint and stencil on wove paper