Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Door frames in concrete walls: sections and elevation (3/8" =1'-0" and full size)

Graphite on paper

Black ink on cream machine made wove paper

Graphite on off-white wove paper

Brown ink and green crayon on off-white wove paper, mounted to wove paper

Graphite on dark cream wove paper

Graphite on cream wove paper

Graphite on paper

Brown chalk on off-white wove paper

Oil on card (four sheets) hung on metal pin

Graphite on paper

Graphite, white chalk, and red crayon on green wove paper

Graphite on off-white wove paper