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

Graphite on off-white wove paper

Graphite on off-white tracing paper

Black ink on cream laid paper

Graphite and black and blue watercolor on off-white wove graph paper

Graphite on off-white wove paper

Collage of found cardboard and crayon

Watercolor on blue wove paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Watercolor over graphite on heavy off-white wove paper

Graphite on brown wove paper

Ink and graphite on paper

Charcoal on thick beige wove paper