Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Sofa and cases, room #220, elevations, sections, plan (1 1/2" =1'-0" and full size)

Graphite on off-white wove paper

Black ink and wash on off-white wove paper

Charcoal and graphite on off-white wove paper

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

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

Sketchbook with cardboard backing, heavy paper cover, and spiral wire binding

Black crayon on buff wove paper

Black marker and graphite on graph paper

Collage

Watercolor and graphite on white wove paper

Oil, powdered pigment, black crayon, and collage on heavy card

Black ink on off-white wove paper