Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Pipe sleeve and footing, dining terrace: sections (3" = 1'-0")

Graphite on paper

Black ink on white illustration board

Graphite on paper

Graphite on paper

Watercolor and white gouache over graphite on off-white wove paper

Graphite on translucent wove paper

Black crayon on cream wove paper mounted overall to off-white cardboard

Charcoal on brown wove paper

Graphite on paper

Graphite on cream wove paper

Charcoal on blue laid paper

Graphite on paper