Detail of Jurisprudence, after Raphael, Vatican Palace, Rome, Italy

Graphite on off-white laid paper

Black crayon on paper

Watercolor on cream card

Black chalk on tracing paper

Black ink on tan wove paper

Turpentine wash with oil on white cardboard

Graphite on off-white wove paper

Black ink and white gouache on white modern laid paper

Charcoal on off-white wove paper; verso: charcoal and graphite on paper

Graphite on off-white wove paper

Black chalk on off-white wove paper

Crayon(?), gouache(?), and watercolor on cream wove paper