Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Step light, first floor outlet #98: details (full size)

Graphite and gesso on paper

Graphite on paper

Graphite on dark cream wove paper, darkened

Graphite and graphite wash on cream wove paper

Watercolor and white gouache over black chalk on ivory wove paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Black crayon and ink on paper

Black ink over graphite on cream board

Black gouache and graphite on two sheets of drafting film, joined

Graphite on off-white tracing paper

Black ink on tan wove paper