Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Glass partition receiving modernfold door: sections and details (3" =1"-0" and full size)

Black ink on machine made rag wove paper

Cloth bound sketchbook

Colored chalks over graphite on buff cardboard

Graphite, gray wash, and yellow ink over graphite on off-white wove paper

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

Watercolor on off-white wove paper

Colored pencil and chalk on pinkish-tan wove paper

Watercolor on off-white wove paper

Black and grey wash on prepared white wove paper

Graphite on thin off-white wove paper

Graphite and ink on paper

Black ink on off-white wove paper