Borromini's San Carlo a la Quatro Fontane, Rome

Watercolor and black ink on cream paper

Black chalk on cream wove paper

Black chalk on cream modern laid paper

Graphite on tan paper

Graphite on heavy cream wove paper

Black ink on white wove paper

Watercolor over graphite on cream wove paper

Watercolor over graphite on cream wove paper, laid down on blue mount

Black and brown ink and graphite on thin blue wove paper; attached piece of white paper

Graphite, brown wash, black ink, and white gouache on cream paper, darkened to brown

Brown ink and brown wash on off-white wove paper

Metalpoint on prepared paper