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

Black ink on off-white wove paper mounted on card

Graphite on cream wove paper

Black paint on cream laid paper

Graphite on paper

Graphite on paper

Pen and ink on white wove paper

Watercolor over graphite on off-white wove paper

Crayon on paper

Black ink and colored chalk on thin buff wove paper

Graphite on off-white wove paper

Black and white chalk on green laid paper

Graphite on paper