Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior casework, study--room #117: elevations and sections (6" = 1'-0")

Blue and white colored pencil on tracing paper

Graphite on off-white wove paper

Watercolor on ruled off-white wove paper

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

Collage with multiple drawing media on cream wove paper

Graphite and colored crayons ; charcoal and colored crayons on paper

Graphite on paper

Black fiber-tip ink on off-white wove paper

Paper collage elements on black coated paper

Black ink and gray wash on cream laid paper

Watercolor over graphite on off-white wove paper, mounted to off-white cardboard

Graphite on cream wove paper