Untitled (bleed-through of previous page, left page); Untitled (measurements for "water cube" perforations, right page)

Graphite on paper

Watercolor and white gouache on off-white wove paper

Colored crayons on paper

Graphite on paper

Graphite on tan wove paper

Graphite on paper

Watercolor on cream wove paper

Black marker on paper

Graphite, ink and gouache on paper

Distemper stencil print on "Sächsischer Zeitung" from 20.6.1966

Blue and black marker on paper