Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Plans (reflected) showing bathroom grilles (1/2" = 1'-0")

Black ink on off-white wove paper

Colored pencil on paper

Graphite on paper

Black ink on off-white card

Graphite on paper

Graphite on paper

Black ink, watercolor, and charcoal on cream wove paper

Graphite on off-white wove paper

Acrylic and oil stick on three (?) layers of white wove paper

Red and black chalk on gray laid paper

Graphite on off-white wove paper

Graphite on paper