Detail of Agriculture, Campanile, Florence Cathedral, Florence, Italy

Graphite on blue wove paper

Crayon on paper

Graphite on cream wove paper

Oil on white prepared paper

Red, black, brown and white conté crayon on gray wove paper

Brown ink on buff wove paper

Graphite on blue wove paper

Coffee and black ink on a postcard, with printed postage and cancellation stamp

Black ink on cream wove paper

Watercolor over graphite on off-white wove paper

Oilstick on white wove paper

Graphite on off-white wove paper