Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Protection bar on door: details (3/4" =1"-0" and full size)

Graphite on paper

Black ink on cream wove paper

Collage with watercolor, distemper, graphite and paper on brown wove paper

Gouache and blue crayon on dark cream wove paper, darkened

Colored crayons on paper

Graphite with red pastel on off-white modern laid paper

Watercolor over graphite on off-white wove paper

Black wash on tan wove paper

Watercolor, white gouache and graphite on off-white cardboard

Graphite on paper

Black ink on off-white wove paper

Graphite on darkened off-white tracing paper