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

India ink on cream wove ledger paper inscribed in brown ink

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

Graphite on blue laid paper

Watercolor over graphite on off-white wove paper

Watercolor, oil, and white gouache over graphite on off-white wove paper

Watercolor and graphite on off-white wove paper

Fiber-tip ink on white wove paper, from a spiral-bound sketchbook

Black ink and graphite on tracing paper with acetate overlays

Graphite on off-white wove paper

Charcoal heightened with white chalk on paper

Watercolor over graphite on off-white wove paper; verso: graphite

Black ink on heavy off-white wove paper