Untitled (bleed-through of previous page and color transfer, left page); Untitled (design for "Aluminiumplastik," right page)

Black crayon on envelope

Black crayon on paper

Watercolor on ivory wove paper

Black ink and graphite on off-white wove paper (recto and verso)

Black ink and graphite on white wove paper

Black crayon on white paper

Brown ink, brown and gray wash on tan antique laid paper

Sketchbook with cardboard covers and spiral wire binding

Graphite on paper

Red marker, watercolor, and graphite on paper

Black, blue, and silver marker on paper