Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Door frames in concrete walls: sections and elevation (3/8" =1'-0" and full size)

Opaque watercolor on purple construction paper

Charcoal on cream laid paper

Natural raw powdered pigment (raw umber), turpentine wash, conte crayon and charcoal, with spray fixative and possibly spray varnish, on [off-white wove?] paper

Graphite on off-white wove paper

Graphite on off-white wove paper; verso: charcoal

Verso: graphite on off-white laid paper

Watercolor on off-white wove paper, mounted to off-white cardboard

Watercolor over graphite on buff wove paper

Black ink over graphite on cream laid paper

Graphite on paper

Black ink and charcoal on beige laid paper

Graphite on brown wove paper