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

Graphite sketch on ruled paper

Black chalk, charcoal, and graphite on off-white modern laid paper, cut at center

Charcoal, black ink, and colored pencil on cream laid paper

Ink on paper

Black ink, white gouache, and black crayon on off-white laid paper

Watercolor over graphite on off-white wove paper, affixed to cardboard

Graphite on paper

Charcoal, red and white chalk on gray laid paper

Graphite and black ink on off-white wove paper

Graphite on paper

Graphite on paper

Oil on off-white wove paper