Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Standard for electracide lamp: elevation (1/2" = 1'-0" )

Colored chalk on brown wove paper

Ink and brown pencil on white wove paper

Black ink, blue ball-point, graphite, and red pencil on off-white wove paper

Black chalk on cream laid paper

Watercolor and black ink on off-white laid paper, mounted to off-white cardboard

Black ink on off-white wove paper

Watercolor and graphite on white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Black conté crayon on ivory tracing paper

Graphite on paper

Graphite on off-white wove paper