Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Longitudinal section (1/4" =1"-0" )

Watercolor, black ink, and metallic paint over graphite on off-white wove paper; graphite and gray wash

Watercolor and graphite on cream wove paper

Watercolor and black chalk on heavy off-white wove paper

Graphite on thin off-white wove paper

Mixed media on paper

Graphite on off-white wove paper

Black, brown, and blue crayon ; black crayon on paper

Graphite on cream wove paper

Brown ink and wash with accents in black wash on buff modern laid paper

pen and ink sketch on ruled notebook paper

Collage, watercolor, and lithograph on paper

Graphite and brown ink on gray wove paper