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

Crayon on paper

Black ink on cream wove paper

Black crayon on paper

Graphite and ink on paper

Charcoal on blue wove paper

Graphite on off-white laid paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Transparent and opaque watercolor over graphite on off-white wove paper

Black ink on off-white wove paper

Graphite on off-white wove paper

Watercolor and graphite on paper, adhered to wood board