Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Connectors enclosure detail (full size)

Graphite on off-white wove paper

Black ink on off-white laid paper

Graphite on ivory laid paper

Black ink, graphite, and colored pencil on paper

Black ink and gray wash on off-white laid paper

Black ink on slide film, hand colored

Black ink and graphite on off-white wove paper

Black ink on off-white wove paper

Black ink and graphite on off-white wove paper

Colored pencil, crayon, and graphite on cut brown paper bag

Watercolor, tempera, gouache, black chalk, and graphite, with touches of varnish(?) on off-white wove paper mounted to off-white-paper-covered gray board

Ink and brown pencil on white wove paper