Dome over Stairway Landing, Palazzo Mattei, Rome, Italy

Charcoal on blue laid paper

Ink on paper

Watercolor over graphite on off-white wove paper

Graphite and white chalk on blue-gray laid paper

Two kinds of graphite, colored wax crayons, spatters of oil paint, squared in graphite and brown crayon, on cream wove paper mounted on masonite

Graphite on cream wove paper

Pastel and graphite on white wove paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Incised line and Aquarelle on white wove paper

Charcoal on blue-flecked beige laid paper