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

Graphite on paper

Black and red marker on paper

Black crayon on paper

Ink, wash, and graphite on paper

Black marker on paper

Ink on paper

Black crayon on paper and mounted

Black and colored crayon on off-white wove paper

Colored marker and adhesive stickers on paper

Green marker on paper

Colored marker on paper

Paper