Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Ground floor plan and sections (1/4" = 1'-0")

Charcoal on off-white laid paper

Graphite on off-white wove paper

Charcoal on off-white wove paper

Graphite on off-white wove paper

Watercolor, black ink and metallic paint over graphite on buff wove paper

Graphite on paper

Black ink and black crayon on off-white laid paper

Charcoal on blue laid paper

Graphite on off-white wove paper

Black ink on slide film, hand colored

Opaque watercolor on heavy weight white wove paper

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