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

Colored marker on paper

Black ink on off-white wove paper

Watercolor and white gouache on buff card

Red and white chalk on off-white wove paper prepared with beige ground

Graphite on paper

Black ink on modern laid paper

Black and blue marker and black pen on paper

Graphite and red chalk with touches of black ink on off-white tissue paper

Brown ink on off-white paper

Watercolor, black ink, graphite, and black crayon on cream wove paper, two sheets joined irregularly across center

Graphite on paper