Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: General layout of mechanical and boiler equipment: plan and sections (1/4" = 1'-0" )

Graphite and charcoal on off-white wove paper

Charcoal on cream laid paper

Black ink on cream wove paper

Graphite on off-white wove paper

Pale green acrylic yarn

Ink and collage on paper

Ink on paper

Black ink on off-white wove paper

Watercolor and black ink over graphite on off-white illustration board

Watercolor and graphite on layered cream wove paper

Charcoal on brown wove paper, fixed

Black ink on off-white wove paper