Untitled ("Lichtplastiken" (Light Sculptures) with notes and bleed-through of previous page, left page); Untitled (blue marks, right page)

Crayon on paper

Paper

Graphite on paper

Colored and metallic marker on paper

Black ink and blue gouache on off-white illustration board with applied elements

Brown ink on off-white antique laid paper, scored for transfer

Black ink on off-white wove paper

Graphite on cream wove paper

Crayon on paper

Graphite on paper

Graphite with red pastel on off-white modern laid paper

Pastel on brown wove paper