Detail of Ceiling, S. Maria in Aracoeli, Rome, Italy

Charcoal on paper

Graphite on cream laid paper

Charcoal on blue wove paper

Black ink on cream, rough, machine made, wove paper

Graphite sketch on white printed stationery

Gouache on white wove paper

Graphite on off-white wove paper

Colored crayons on off-white cardboard

Crayon, gouache (?), watercolor and graphite (?) on white wove paper

Brown marker and graphite on graph paper

Graphite on translucent wove paper

Graphite on buff wove paper