Untitled (bleed-through of previous page with marker stain, left page); Untitled (sketches of past sky events, right page)

Metalpoint on prepared paper

Brown ink and gray, yellow, and bluish-green wash over black chalk, incised, on cream antique laid paper, mounted on an album leaf; verso: composition traced through on verso in black chalk, partially incised

Graphite on yellowed wove tracing paper mounted to tissue

Watercolor on cream wove paper

Watercolor on off-white paper

Watercolor

Graphite and ink on paper

Acrylic on off-white wove paper

Red, brown, black and white conté crayon on ivory tracing paper

Brown ink and brown wash on tan antique laid paper

Graphite on paper

Brown ink over black chalk on cream antique laid paper; verso: brown ink