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

Black ink on cream wove paper

Black ink and graphite on graph paper

Watercolor and white gouache over black chalk on ivory wove paper

Graphite on paper

Watercolor and black chalk (?) on cardboard

Mixed media on paper

Graphite on paper

Mixed media on paper

Charcoal on blue laid paper

Black ink, watercolor, and charcoal on off-white laid paper

Black ink on off-white handmade rice paper

Graphite on ivory wove paper