Study for portrait of Derek Bok of original composition with the Fogg's Caracciolo in the background: seated figure facing forward

Brown marker on graph paper

Black ink, graphite, and yellow chalk on off-white wove paper

Watercolor and graphite on off-white wove paper

Graphite and blue crayon ; graphite and yellow crayon on paper

Graphite, black ink, and yellow chalk on darkened off-white wove paper

Black ink, brown wash, and graphite on cream wove paper; verso: black ink and graphite

Graphite on cream wove paper; verso: black ink

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Watercolor on off-white wove paper?

Opaque watercolor and black ink on off-white wove paper, framing corners in graphite

Graphite on off-white wove paper

Black crayon and graphite on thin darkened off-white wove paper