Untitled (bleed-through of previous page and color transfer, left page); Untitled (view of Dresden, right page)

Black ink on tan wove paper

Brown ink and brown wash over black chalk on cream antique laid paper, laid down overall to thick cream antique laid paper

Graphite on buff wove paper

Black and blue marker, color photograph, photocopies, and adhesive on paper

Unmounted drawing: ink on paper

Graphite on off-white wove paper

Graphite on paper

Graphite on paper

Oil on white paper

Metallic colored pencil, graphite, and marker on white wove translucent paper

Black ink, charcoal, watercolor, and watercolor pencil on cream laid paper

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