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

Black ink and gray wash with corrections in white on off-white cardboard

Gouache with black ink on discolored cream wove paper

Graphite on cream wove paper

Brown fabric covered album with 38 drawings

Charcoal on off-white laid paper

Gouache, graphite and colored pencil on off-white wove paper

Graphite on off-white wove paper

Graphite on blue laid paper

Charcoal on heavy buff wove paper

Oilstick on white wove paper

Charcoal and colored pencil on cream laid paper

Graphite on off-white wove paper