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

Graphite on translucent vellum paper, the reverse printed with a grid

Watercolor on off-white wove paper

Graphite on cream colored commercially lined paper

Charcoal on cream laid paper

Black ink on off-white wove paper

Black ink and black wash on tan wove paper

Ink with collage on paper

Black ink over graphite on cream laid paper

Ink and graphite on paper

Graphite on darkened off-white wove paper

Black lithographic crayon on off-white wove paper

Black ink on tan wove paper