Sketchbook: Partial Manuscript for "Otto Piene: Werkverzeichnis der Druckgrafik 1960-76"

Graphite with blue and violet crayon on paper

Graphite on paper

Graphite on paper

Black ink, stationery with letterhead, b/w photocopy, and adhesive on paper

Black crayon on paper

Black crayon on paper

Black crayon on paper

graphite, colored crayon, watercolor, green and brown ballpoint inks, and brown fiber-tip ink on off-white wove paper

Ink, wash, gouache, and collage elements on paper

Graphite with brown, yellow, and purple crayon on paper

Graphite on paper

Graphite on paper