Detail of Cornice, Loggia della Signoria or dei Priori, Florence, Italy

Graphite on off-white wove paper; verso: graphite and charcoal

Ink and watercolor on off-white modern laid paper

Collage of cut printed and colored papers on wove paper mounted to black wove paper; verso: collage of cut and printed colored papers on black wove paper

Pastel on brown wove paper

Graphite on thin off-white wove paper

Graphite on paper

Graphite on yellowed tracing paper

Charcoal on off-white modern laid paper

Colored pencil and graphite on graph paper

Red and black chalk and black ink over graphite on heavy off-white wove paper

Watercolor on cream wove paper

Crayon on paper