Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Sofa and cases, room #220, elevations, sections, plan (1 1/2" =1'-0" and full size)

Graphite on paper

Graphite on paper

Watercolor on off-white wove paper

Graphite on cream colored-paper industrially-lined paper in a wire bound notebook with printed, coded, brown cardboard.

Black ink and black watercolor on tan wove paper

Graphite on cream wove paper pastedown of sketchbook cover

Graphite on off-white wove paper

Watercolor over graphite and colored chalk on off-white wove paper

Watercolor on paper

Sketchbook with brown cloth-covered cardboard covers

Watercolor on thin off-white wove paper

Black ink on off-white wove paper