Diagram, Walls C and D of Wall Drawing #830 (Four Isometric Figures With Color Ink Washes Superimposed)

Black ink over graphite on off-white wove paper

Graphite on paper

Black and blue ink, graphite, and casein paint on white wove paper

Watercolor, black ink, gray wash, metallic paint over graphite on buff wove ppr

Graphite on translucent vellum paper, blue ballpoint ink on the verso

Colored pencil on off-white card

Black ink, black crayon, and white gouache on off-white laid paper

Black ink, graphite, and yellow chalk on off-white wove paper

Black ink, graphite, and yellow chalk on off-white wove paper

Graphite on off-white wove paper

Black crayon on paper

Black and white chalk and charcoal on blue laid paper