Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Electric cabinet and recess in 220: elevations and sections (6" = 1'-0" and full size)

Black ink on tan wove paper

Crayon on paper

Watercolor and black ink on illustration board

Black ink on off-white wove tracing paper

Graphite on paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Black ink over graphite on off-white wove paper

Black ink on white wove paper

Black ink and charcoal on cream laid paper

Crayon on paper

Ink and graphite on paper