Diagram, Wall B of Wall Drawing #830 (Four Isometric Figures With Color Ink Washes Superimposed)

Black and red conté crayon on ivory tracing paper

Black ink on off-white wove paper

Graphite on paper

Watercolor over graphite on off-white wove paper

Black ink and charcoal on cream laid paper

Colored pencil on cream laid paper

Collage, watercolor, and lithograph on paper

Graphite on paper

Charcoal on paper

Charcoal on paper

Black ink and graphite on off-white wove paper

Graphite on paper