Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Lower pool in garden: plan and sections (1/2" = 1'-0")

Graphite on paper

Black ink on hand made rag wove paper

Watercolor over graphite and black crayon on off-white wove paper

Graphite on paper

Graphite on paper

Black crayon on thin cream wove paper, set down to tissue

Charcoal with scratchwork on heavy off-white wove paper

Black ink and graphite on translucent vellum paper

Black chalk on off-white wove paper

Black crayon and ink on paper

Verso: graphite on off-white laid paper

Graphite on off-white tracing paper