Detail of Horsemanship, Campanile, Florence Cathedral, Florence, Italy

Graphite on paper

Gray wash, black ink, charcoal (applied wet), and red pencil on thin off-white wove paper; verso: black crayon and red pencil

Pink-gray pastel with twelve incised lines on white wove paper

Oil over graphite on darkened cream wove paper

Watercolor and white gouache over graphite on buff laid paper

Watercolor over graphite on darkened off-white wove paper

Black ink on off-white wove paper

Enamel on offset lithograph

Incised line and Aquarelle on white wove paper

Black ink and graphite on pale gray laid paper; verso: graphite

Graphite and charcoal on paper

Graphite on off-white wove paper