Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Door details (full size)

Black chalk on cream tracing paper

Black ink on off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor and oil on cream wove paper

Charcoal on cream laid paper

Gouache and black ink on cream cardstock

Ink and watercolor on off-white modern laid paper

Graphite on paper

Graphite on cream wove paper laid down to off-white wove paper

Red chalk and graphite on off-white wove paper

Black ink, gray and white gouache, and scratchwork on cream wove paper; verso: turquoise ink