Isometric Drawing and Plan for "Two Sections Removed: James Stirling (Hard) and Robert Irwin (Soft)"

Black ink on off-white wove paper

Graphite and ink on paper

Black ink and charcoal on cream laid paper

Black ink, watercolor, gold paint, white gouache on heavy off-white wove paper

Watercolor over graphite on off-white illustration board

Black ink and graphite on thin buff wove paper

Graphite on off-white wove paper

Crayon on paper

Watercolor over graphite on off-white wove paper

Black ink and graphite on fan-shaped parchment

Black wash over graphite on cardboard

Black ink and colored chalk on translucent buff wove paper