Detail of a Pilaster, Raphael's Logge, Vatican Palace, Rome, Italy

Graphite on paper

Black ink, graphite, and touches of yellow gouache on faded blue-green wove paper; verso: graphite with touches of black ink

Graphite on off-white wove paper

Charcoal on cream laid paper

Black ink and graphite on thin buff wove paper

Crayon on paper

Graphite on off-white wove paper

Black chalk on tracing paper

Watercolor on cream wove paper

Graphite on off-white wove paper

Black chalk on yellow wove paper

Brown ink, blue wash over graphite on white wove paper