Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Case with tambour door - Room #213: plan, elevations, and section (1 1/2' = 1'-0" and full size)

Graphite on off-white wove paper

Opaque watercolor and black ink on off-white wove paper, framing corners in graphite

Graphite on off-white wove paper

Watercolor over graphite on off-white illustration board

Colored markers on graph paper

Graphite on paper

Graphite on off-white laid paper

Charcoal on off-white wove paper

Silverpoint on off-white prepared paper

Watercolor and graphite on white wove paper

Charcoal on beige laid paper

Black ink on off-white wove paper