Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Door schedule (1/4" =1"-0" )

Graphite on off-white wove paper

Blue crayon on paper

Crayon on paper

Charcoal and graphite on brown wove paper

Black ink and white-gray gouache on grayish-white textured wove paper

Acrylic paint and wash on off-white wove paper

Graphite on translucent wove paper

Graphite on paper

Graphite on off-white wove paper

Black ink on off-white wove paper

Graphite on off-white wove paper

Watercolor and graphite on white wove paper