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

Graphite on off-white wove paper

Graphite on thin off-white wove paper

Black ink on folded cream colored paper

Black ink on off-white wove paper

Watercolor and graphite on cream wove paper

Graphite on paper

Graphite on paper

Charcoal on off-white laid paper

Black crayon on cream wove paper

Black and brown ink and graphite on off-white wove paper with overlay of tracing paper

Graphite on paper

Graphite and black ink on cream wove paper