Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Light fixture for stair outside swimming pool: details(1/4" =1"-0" and full size )

Graphite and black ink with scratchwork on off-white wove paper

Black ink on off-white wove paper

Graphite on off-white wove paper

Graphite on paper

Black and blue crayon on paper

Graphite on paper

Colored crayons on paper and mounted

Graphite on off-white wove paper

Graphite on off-white wove paper (recto and verso)

Black conté crayon on ivory tracing paper

Graphite on off-white wove paper

Mixed media on paper