Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Pipe sleeve and footing, dining terrace: sections (3" = 1'-0")

Purple and black ink on off-white wove paper (surface losses and adhered paper residues occurred in artist's studio)

Black crayon on paper and mounted

Acrylic, graphite, and computer print-out on off-white wove paper

Acrylic on off-white wove paper

Charcoal on yellow wove paper

Black ink and gray wash over graphite on off-white laid paper

Charcoal and graphite on off-white laid paper

Crayon and graphite on beige wove paper

Brown ink on off-white wove paper

Graphite on off-white wove paper

Drawing scratched on slide film, hand colored

Black ink over graphite on thin cream tracing paper, mounted to cardboard