Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Third floor, outlets #25-27: plan and section (1/4" and 3" = 1'-0" )

Graphite on off-white wove paper

Graphite on blue wove paper

Graphite on off-white wove paper

Black ink on off-white wove paper

Gouache on cream wove paper

Gray wash on off-white wove paper

Pastel and compressed charcoal on off-white paper

Black ink on off-white wove paper

Black ink on dark blue wove paper

Ink on paper

Graphite on paper

Watercolor over graphite on heavy off-white wove paper