Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Revised trellis, paved terrace: plan, elevation, and section (1 1/2" = 1'-0" and full size )

Oil on white paper

Black ink on off-white wove paper

Charcoal on heavy buff wove paper

Pastel on thin off-white wove paper

Black ink over graphite on thick beige paper

Watercolor on off-white wove paper

Black chalk over brown chalk on darkened off-white wove paper

Black conté crayon on ivory tracing paper

Black and white chalk on brown wove paper

Off-white card

Black chalk on off-white wove paper

Graphite on paper