Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Casework revisions - rooms #220 and #216: plan, section, and elevation (1/2", 3/4", 1 1/2" and 6" = 1'-0")

Watercolor over graphite on cream wove paper

Black ink on paper

Graphite on paper

Collage, watercolor, and lithograph on paper

Graphite on paper

Black crayon on paper

Black and blue crayon on paper and mounted

Graphite on off-white wove paper

Ink on paper

Watercolor over graphite on off-white wove paper

Gray wash on cream laid paper, mounted to dark brown wove paper

Black ink, watercolor, and white gouache on off-white wove paper