Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Third floor and roof plans (1/4" = 1'-0")

Ink on slide film, hand colored

Charcoal on cream laid paper

Graphite and charcoal on paper

Graphite on off-white wove paper

Watercolor, gray wash, and graphite on off-white wove paper

Black ink on cream wove paper

Gouache on felt

Sketchbook with cardboard backing, heavy paper cover, and sprial wire binding

Black crayon on off-white wove paper

Graphite, gouache, crayon, silver and black ink on white wove paper

Black ink on off-white wove paper

Black ink and gray wash on beige wove paper