General View and Details, Sala Delle Stampe, Borgia Apartments, Vatican

Black ink, white gouache, and black crayon on off-white laid paper

Black ink and graphite on off-white wove paper

Gray tempera, black ink, graphite, and scratchwork on off-white wove paper; verso: black ink and graphite

Watercolor on off-white wove paper

Watercolor on off-white wove paper (recto and verso)

Collage of cut and printed colored papers mounted to brown coated paper

Charcoal and black ink on cream laid paper

Graphite on paper

Charcoal on blue laid paper

Sketchbook with cardboard covers and spiral wire binding

Black crayon and ink on paper

Charcoal on off-white wove paper