"Astronomy" and Other Studies; verso: Studies and notes for intended subjects

Black and white chalk on pale green antique laid paper paper discolored to tan

Watercolor and black ink over graphite on cream paper

Watercolor on vellum

Watercolor on cream card

Black chalk on cream antique laid paper

Brown ink and gray wash over graphite on off-white paper, laid down

Watercolor and red ink over traces of graphite on cream wove paper mounted overall to card

Graphite on cream antique laid paper

Transparent watercolor, black and gray inks, and graphite on antique laid paper adhered along edges to thin card

Graphite, blue and gray wash on off-white wove paper

Brown ink and gray and red-brown wash over graphite on cream paper

Watercolor on paper