Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Terraces G and C: plans and elevations (1/4" , 1/2" = 1'-0" and full size)

Graphite on off-white wove paper

Graphite on tracing paper

Black chalk on off-white laid paper

Black and blue marker and graphite on white wove translucent paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Black ink and gray wash on beige wove paper

Black ink on off-white wove paper

Gouache over graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Black ball-point ink on cream wove paper; verso: same

Graphite sketch on envelope, studies for