Lunette Study with Flying Angel and Figures; verso: Designs for Vaulting Ornament, with Keystone and Rudimentary Lettering

Colored marker, black pen, graphite, white pigment, and watercolor on paper

Black and brown ink and gray wash, over red chalk, on cream antique laid paper

Graphite on cream antique laid paper, squared with stylus

Black ink over graphite on cream laid paper

Ink on paper

Graphite and ink ; graphite on paper

Brush and gray wash and graphite on cream antique laid paper, framing lines in brown ink

Brown ink and brown wash over touches of black chalk, incised, on off-white antique laid paper, framing line in brown ink, laid down on a gold-bordered mount

Brown ink, brown wash and white opaque watercolor on light tan antique laid paper, framing line in brown ink; verso: brown ink on light tan antique laid paper

Graphite on paper

Graphite on cream wove paper

Black and white chalk on tan laid paper