Untitled (bleed-through of previous page, left page); Untitled (view of "crater from Ia," right page)

Black pen on paper

Black and blue crayon ; black crayon on paper

Black and colored crayons on paper

Ink on paper

Black ink and charcoal on cream laid paper

Black conté crayon on ivory tracing paper

Red crayon on brown cardboard

Graphite and gray wash on cream wove paper

Charcoal and beige chalk on buff wove paper

Watercolor on cream card

Colored crayons on paper

Brown ink over graphite on white paper