Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Exterior door to roof terrace #308 and flashing details (3" =1"-0" and full size)

Graphite on paper

Graphite on off-white wove paper

Black ink on off-white wove paper

Graphite on paper

Graphite on cream wove paper

Beeswax, graphite, detritus and debris on wove paper

Black ink on illustration board

Black crayon and ink on paper

Graphite on paper

Graphite on blue laid paper

Black ink, graphite, and colored chalk on translucent buff wove paper

Collage