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

Oil paint, charcoal, pressure-sensitive tape collage elements on wove paper

Graphite and colored pencil on paper

Black ink, brown wash, and graphite on cream wove paper; verso: black ink and graphite

Graphite on darkened off-white laid paper

Incised line and Aquarelle on white wove paper

Oil on tracing paper

Black ink on off-white wove paper

Graphite on cream wove paper

Watercolor and white gouache over graphite on heavy off-white wove paper

Charcoal on blue laid paper

Sketchbook with beige cloth-covered cardboard covers

Black ink on off-white modern laid paper