Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Receivador in rear door #101: elevation, section, and detail (1" =1'-0")

Colored pencil on off-white wove paper

Watercolor over graphite on off-white wove paper

Black marker on graph paper

Graphite on off-white wove paper

Watercolor, black ink, and wax on white wove paper

Black ink and gray wash on cream laid paper

Black chalk on tan wove paper

Charcoal on blue laid paper

Black ink on white wove paper

Graphite on gesso on paper

Graphite on off-white wove paper, set down completely to off-white cardboard

Graphite and colored pencil on cream wove paper