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

Black chalk and graphite on off-white wove paper; verso: graphite and charcoal

Black ink, graphite, and yellow chalk on off-white wove paper; verso: black ink

Graphite on cream wove paper

Black ink over graphite on cream board

Watercolor on off-white wove paper

Colored pencil on cream laid paper

Charcoal on paper

Black ink on off-white wove paper

Black ink on cream laid paper

Crayon on paper

Watercolor and selectively applied glaze on off-white modern laid paper

Brown and ochre ink, varnished (?) in some areas, on handmade off-white Mexican bark paper