Three studies for portrait of Derek Bok: two of "The Great Salt" and one of an altarpiece

Black conté crayon on ivory tracing paper

Graphite on paper

Ink on paper

Oil on prepared paper

Watercolor over graphite on off-white wove paper

Watercolor over graphite on buff wove paper

Black ink on tan wove paper

Black crayon and ink on paper

Watercolor and graphite on cream wove paper

Graphite on paper

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

Watercolor on off-white wove paper