Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Exterior stone through main entrance; part of northwest elevation (1/2" and 1/4" = 1'0")

Black ink on off-white wove paper

Ink and brown pencil on white wove paper

Crayon on paper

Black ink on off-white tracing paper

Graphite on thin off-white wove paper

Charcoal on modern laid paper

Graphite on paper

Graphite and collage element on paper

Acrylic on off-white wove paper

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

Graphite on heavy cream wove paper

Black ink on faded brown Japanese paper