Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: First floor plan (1/4" = 1'-0")

Graphite on paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on cream colored commercially lined paper

Graphite on paper

Graphite on paper

Charcoal on off-white laid paper; verso: graphite

Watercolor on off-white wove paper

Black wash over graphite on cardboard

pen, ink on brown paper

Dyes, opaque water-based paint, pastel and metallic powder on thick white wove paper

Graphite on paper