Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Telephone niche in swimming pool: plan, elevation and section (1/2" and 3" = 1'-0")

Graphite on off-white wove paper

Black and white chalk on red-brown laid paper

Graphite on off-white wove paper

Graphite on off-white wove tracing paper

Colored crayons on paper and mounted

Graphite with blue and orange on paper

Brown ink on off-white wove paper

Beeswax, graphite, detritus and debris on wove paper

Graphite on paper

Graphite and collage elements on paper

Watercolor on off-white Bristol board

Graphite on thin off-white wove paper