Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Typical door and finish and plaster ground details (3/4" = 1'-0" and full size)

Graphite on thin off-white wove paper

Ink and graphite on paper

Graphite on paper

Colored pencil, colored chalk, and graphite on brown cardboard

Black and red fiber-tip pen and blue ink on spiral notebook paper

Black conté crayon on ivory tracing paper

Graphite on paper

Charcoal on off-white laid paper

Watercolor and graphite on off-white wove paper

Oil on card prepared with white tempera

Watercolor and red ink lines on white wove paper

Black ink on off-white wove paper