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

Graphite on cream wove paper

Graphite on darkened off-white wove paper

Charcoal and pastel on blue-gray wove paper

Colored marker on paper

Colored marker on paper

Black ink on frosted mylar

Graphite, gray wash, and white gouache over partial stylus outlining on white modern laid paper

Charcoal, red and white chalk on gray laid paper

Graphite on off-white wove paper

Black ink and black and colored pencil and crayon on cream wove paper

Watercolor on cream wove paper