Study of an Archivolt in Saint Mark's, Venice

Black chalk on off-white laid paper

Graphite and white gouache on beige wove paper

Black ink on vellum

Watercolor, black ink and graphite on cream antique laid paper

Watercolor and gouache over graphite on buff paper

Graphite on heavy cream wove paper

Brown ink and brown wash over traces of black chalk on off-white wove paper

Graphite on heavy cream wove paper

Brown ink, brown and gray wash, over graphite on off-white antique laid paper

Graphite on white wove paper

Chalk

Brown and black ink and colored chalks on cream paper