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

Graphite on heavy off-white wove paper

Graphite on off-white wove paper

Graphite and red and white chalk on tan wove paper

Watercolor over graphite on off-white wove paper

Black ink on off-white wove paper

Black and red chalks on thin off-white wove paper

Gouache and graphite on white Fome-Cor

Graphite on off-white wove paper

Graphite on paper

Black ink and graphite on commercially printed cream wove paper

Graphite on paper

Graphite on paper