Interior, Basilica of St. Mark's, Venice

Black chalk and charcoal on off-white laid paper

Watercolor over graphite on off-white wove paper

Graphite on tan wove paper

Colored crayons on paper

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

Graphite on paper

Charcoal and pastel on heavyweight tan wove paper

Black felt-tipped pen on yellowed newsprint paper

Black chalk over red chalk on darkened off-white wove paper

Graphite, watercolor and gray wash on cream wove glossy paper

Graphite on paper

Graphite on off-white wove paper