Huts on the Side of a Mountain, Serravalle, Italy

Brown ink and brown wash over black chalk on three pieces of cream antique laid paper; some (later?) gray wash on Adam's crotch; partial framing line in brown ink; verso: faint black chalk sketches of architectural motifs

Graphite on paper

Black ink on off-white wove paper

Transparent watercolor on blue paper

Graphite on paper

Brown ink, brown wash and transparent watercolor over graphite on off-white antique laid paper, two framing lines in black ink, in places superimposed

Graphite on paper

Ink, wash, gouache, and collage elements on paper

Watercolor on cream wove paper

Watercolor over graphite on off-white cardboard

Black and white chalk on blue-gray wove paper

Watercolor on cream wove paper