Equestrian Statue of Bartolomeo Colleoni, Venice

Ink on paper

Brown ink over graphite on cream wove paper

Graphite with line of red chalk

Watercolor, white gouache, and graphite on buff paper

Black crayon, gray-brown wash, and white gouache on dark cream wove paper

Black and colored chalks, yellow wash, varnished, on tan paper

Brown ink over graphite on cream wove paper

Watercolor over graphite on cream board

Black ink and white gouache on two sheets of cream wove paper, with an overlapping join at the top

Black crayon and black and white chalk on gray paper

Black ink and gray wash on white wove paper

Charcoal, scraped, on off-white paper