Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Curved glass screen: plan, section, elevation, and detail (1 1/2" = 1'-0" )

Brown ink on white wove paper

Graphite on tracing paper

Charcoal and black ink on cream laid paper

Graphite on paper

Watercolor over graphite on off-white wove paper, mounted to off-white card

Graphite and black chalk on buff laid paper

Acrylic paint on off-white wove paper

Dark brown ink on white wove paper

Graphite on heavy buff wove paper, fixed

Black crayon on paper

Crayon on discolored cream wove paper

Graphite on paper