Untitled (bleed-through of previous page, left page); Untitled (landscape with fence, right page)

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

Graphite on paper

Ink on paper

Graphite on off-white card

Black chalk on wood

Brown ink, brown and gray wash, and white opaque watercolor correction (dog) over graphite on off-white antique laid paper, framing line in brown ink

Colored marker and black pen on paper

Graphite on paper

Ink on paper

Black and brown ink, brown wash and black chalk on laid paper prepared with tan wash, laid down

Red chalk and graphite on cream wove paper

Polychrome sketches (22 sheets) bound in blue paper