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

Graphite on off-white wove paper

Graphite on paper

Drawing scratched on slide film, hand colored

Charcoal on off-white laid paper

Watercolor over graphite on heavy off-white wove paper

Black ink, charcoal, and watercolor on cream laid paper, edges taped

Graphite on off-white wove paper

Charcoal on off-white laid paper

Graphite on off-white wove paper

Graphite on paper

Black crayon on cream wove paper; verso: red and black crayon

Black ink on off-white wove paper