Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: First floor plan (1/4" = 1'-0")

Gray pastel with incised lines on white wove paper

Colored crayons on paper

Silverpoint on gesso-coated drawing board

Black ink on off-white wove paper

Ink over graphite on tracing paper

Graphite on off-white wove tracing paper

Watercolor and graphite on white wove paper

Graphite on off-white wove paper

Black ink on off-white wove paper (recto and verso)

Black ball-point ink on buff modern laid paper

Watercolor over graphite on off-white wove paper

Charcoal and purple chalk on brown wove paper